2018657655

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 4237215840

約数和(自身を除く): 2218558185

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 105, 109, 111, 147, 185, 227, 245, 259, 315, 327, 333, 441, 545, 555, 681, 735, 763, 777, 981, 1135, 1295, 1589, 1635, 1665, 1813, 2043, 2205, 2289, 2331, 3405, 3815, 3885, 4033, 4767, 4905, 5341, 5439, 6867, 7945, 8399, 9065, 10215, 11123, 11445, 11655, 12099, 14301, 16023, 16317, 20165, 23835, 24743, 25197, 26705, 27195, 28231, 33369, 34335, 36297, 41995, 48069, 55615, 58793, 60495, 71505, 74229, 75591, 80115, 81585, 84693, 100107, 123715, 125985, 141155, 166845, 173201, 176379, 181485, 197617, 222687, 240345, 254079, 293965, 371145, 377955, 411551, 423465, 500535, 519603, 529137, 592851, 866005, 881895, 915491, 988085, 1113435, 1212407, 1234653, 1270395, 1558809, 1778553, 2057755, 2598015, 2645685, 2746473, 2964255, 3637221, 3703959, 4577455, 6062035, 6173265, 6408437, 7794045, 8239419, 8892765, 10911663, 13732365, 18186105, 18519795, 19225311, 32042185, 41197095, 44859059, 54558315, 57675933, 96126555, 134577177, 224295295, 288379665, 403731531, 672885885, 2018657655]

約数ペア:

[(1, 2018657655), (3, 672885885), (5, 403731531), (7, 288379665), (9, 224295295), (15, 134577177), (21, 96126555), (35, 57675933), (37, 54558315), (45, 44859059), (49, 41197095), (63, 32042185), (105, 19225311), (109, 18519795), (111, 18186105), (147, 13732365), (185, 10911663), (227, 8892765), (245, 8239419), (259, 7794045), (315, 6408437), (327, 6173265), (333, 6062035), (441, 4577455), (545, 3703959), (555, 3637221), (681, 2964255), (735, 2746473), (763, 2645685), (777, 2598015), (981, 2057755), (1135, 1778553), (1295, 1558809), (1589, 1270395), (1635, 1234653), (1665, 1212407), (1813, 1113435), (2043, 988085), (2205, 915491), (2289, 881895), (2331, 866005), (3405, 592851), (3815, 529137), (3885, 519603), (4033, 500535), (4767, 423465), (4905, 411551), (5341, 377955), (5439, 371145), (6867, 293965), (7945, 254079), (8399, 240345), (9065, 222687), (10215, 197617), (11123, 181485), (11445, 176379), (11655, 173201), (12099, 166845), (14301, 141155), (16023, 125985), (16317, 123715), (20165, 100107), (23835, 84693), (24743, 81585), (25197, 80115), (26705, 75591), (27195, 74229), (28231, 71505), (33369, 60495), (34335, 58793), (36297, 55615), (41995, 48069)]