391984515

素因数分解:

$3^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:152

約数の個数: 144

約数和(自身を含む): 805738752

約数和(自身を除く): 413754237

約数列:

[1, 3, 5, 9, 13, 15, 23, 27, 39, 45, 65, 69, 81, 83, 115, 117, 135, 169, 195, 207, 243, 249, 299, 345, 351, 405, 415, 507, 585, 621, 747, 845, 897, 1035, 1053, 1079, 1215, 1245, 1495, 1521, 1755, 1863, 1909, 2241, 2535, 2691, 3105, 3159, 3237, 3735, 3887, 4485, 4563, 5265, 5395, 5589, 5727, 6723, 7605, 8073, 9315, 9545, 9711, 11205, 11661, 13455, 13689, 14027, 15795, 16185, 17181, 19435, 20169, 22815, 24219, 24817, 27945, 28635, 29133, 33615, 34983, 40365, 41067, 42081, 48555, 51543, 58305, 68445, 70135, 72657, 74451, 85905, 87399, 100845, 104949, 121095, 124085, 126243, 145665, 154629, 174915, 205335, 210405, 223353, 257715, 262197, 314847, 322621, 363285, 372255, 378729, 436995, 463887, 524745, 631215, 670059, 773145, 944541, 967863, 1116765, 1136187, 1310985, 1574235, 1613105, 1893645, 2010177, 2319435, 2903589, 3350295, 3408561, 4722705, 4839315, 5680935, 6030531, 8710767, 10050885, 14517945, 17042805, 26132301, 30152655, 43553835, 78396903, 130661505, 391984515]

約数ペア:

[(1, 391984515), (3, 130661505), (5, 78396903), (9, 43553835), (13, 30152655), (15, 26132301), (23, 17042805), (27, 14517945), (39, 10050885), (45, 8710767), (65, 6030531), (69, 5680935), (81, 4839315), (83, 4722705), (115, 3408561), (117, 3350295), (135, 2903589), (169, 2319435), (195, 2010177), (207, 1893645), (243, 1613105), (249, 1574235), (299, 1310985), (345, 1136187), (351, 1116765), (405, 967863), (415, 944541), (507, 773145), (585, 670059), (621, 631215), (747, 524745), (845, 463887), (897, 436995), (1035, 378729), (1053, 372255), (1079, 363285), (1215, 322621), (1245, 314847), (1495, 262197), (1521, 257715), (1755, 223353), (1863, 210405), (1909, 205335), (2241, 174915), (2535, 154629), (2691, 145665), (3105, 126243), (3159, 124085), (3237, 121095), (3735, 104949), (3887, 100845), (4485, 87399), (4563, 85905), (5265, 74451), (5395, 72657), (5589, 70135), (5727, 68445), (6723, 58305), (7605, 51543), (8073, 48555), (9315, 42081), (9545, 41067), (9711, 40365), (11205, 34983), (11661, 33615), (13455, 29133), (13689, 28635), (14027, 27945), (15795, 24817), (16185, 24219), (17181, 22815), (19435, 20169)]