20131017165

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{1087}}^1$

素因数の和:1376

約数の個数: 144

約数和(自身を含む): 41909916672

約数和(自身を除く): 21778899507

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 105, 111, 147, 185, 227, 245, 259, 315, 333, 441, 555, 681, 735, 777, 1087, 1135, 1295, 1589, 1665, 1813, 2043, 2205, 2331, 3261, 3405, 3885, 4767, 5435, 5439, 7609, 7945, 8399, 9065, 9783, 10215, 11123, 11655, 14301, 16305, 16317, 22827, 23835, 25197, 27195, 33369, 38045, 40219, 41995, 48915, 53263, 55615, 58793, 68481, 71505, 75591, 81585, 100107, 114135, 120657, 125985, 159789, 166845, 176379, 201095, 246749, 266315, 281533, 293965, 342405, 361971, 377955, 411551, 479367, 500535, 529137, 603285, 740247, 798945, 844599, 881895, 1233745, 1234653, 1407665, 1727243, 1809855, 1970731, 2057755, 2220741, 2396835, 2533797, 2645685, 3701235, 3703959, 4222995, 5181729, 5912193, 6173265, 8636215, 9129713, 9853655, 11103705, 12090701, 12668985, 15545187, 17736579, 18519795, 25908645, 27389139, 29560965, 36272103, 45648565, 60453505, 63907991, 77725935, 82167417, 88682895, 108816309, 136945695, 181360515, 191723973, 319539955, 410837085, 447355937, 544081545, 575171919, 958619865, 1342067811, 2236779685, 2875859595, 4026203433, 6710339055, 20131017165]

約数ペア:

[(1, 20131017165), (3, 6710339055), (5, 4026203433), (7, 2875859595), (9, 2236779685), (15, 1342067811), (21, 958619865), (35, 575171919), (37, 544081545), (45, 447355937), (49, 410837085), (63, 319539955), (105, 191723973), (111, 181360515), (147, 136945695), (185, 108816309), (227, 88682895), (245, 82167417), (259, 77725935), (315, 63907991), (333, 60453505), (441, 45648565), (555, 36272103), (681, 29560965), (735, 27389139), (777, 25908645), (1087, 18519795), (1135, 17736579), (1295, 15545187), (1589, 12668985), (1665, 12090701), (1813, 11103705), (2043, 9853655), (2205, 9129713), (2331, 8636215), (3261, 6173265), (3405, 5912193), (3885, 5181729), (4767, 4222995), (5435, 3703959), (5439, 3701235), (7609, 2645685), (7945, 2533797), (8399, 2396835), (9065, 2220741), (9783, 2057755), (10215, 1970731), (11123, 1809855), (11655, 1727243), (14301, 1407665), (16305, 1234653), (16317, 1233745), (22827, 881895), (23835, 844599), (25197, 798945), (27195, 740247), (33369, 603285), (38045, 529137), (40219, 500535), (41995, 479367), (48915, 411551), (53263, 377955), (55615, 361971), (58793, 342405), (68481, 293965), (71505, 281533), (75591, 266315), (81585, 246749), (100107, 201095), (114135, 176379), (120657, 166845), (125985, 159789)]