71173725

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 138928608

約数和(自身を除く): 67754883

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 107, 147, 175, 181, 245, 321, 525, 535, 543, 735, 749, 905, 1225, 1267, 1605, 2247, 2675, 2715, 3675, 3745, 3801, 4525, 5243, 6335, 8025, 8869, 11235, 13575, 15729, 18725, 19005, 19367, 26215, 26607, 31675, 44345, 56175, 58101, 78645, 95025, 96835, 131075, 133035, 135569, 221725, 290505, 393225, 406707, 484175, 665175, 677845, 948983, 1452525, 2033535, 2846949, 3389225, 4744915, 10167675, 14234745, 23724575, 71173725]

約数ペア:

[(1, 71173725), (3, 23724575), (5, 14234745), (7, 10167675), (15, 4744915), (21, 3389225), (25, 2846949), (35, 2033535), (49, 1452525), (75, 948983), (105, 677845), (107, 665175), (147, 484175), (175, 406707), (181, 393225), (245, 290505), (321, 221725), (525, 135569), (535, 133035), (543, 131075), (735, 96835), (749, 95025), (905, 78645), (1225, 58101), (1267, 56175), (1605, 44345), (2247, 31675), (2675, 26607), (2715, 26215), (3675, 19367), (3745, 19005), (3801, 18725), (4525, 15729), (5243, 13575), (6335, 11235), (8025, 8869)]