64440525

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 110492928

約数和(自身を除く): 46052403

約数列:

[1, 3, 5, 15, 25, 47, 75, 101, 141, 181, 235, 303, 505, 543, 705, 905, 1175, 1515, 2525, 2715, 3525, 4525, 4747, 7575, 8507, 13575, 14241, 18281, 23735, 25521, 42535, 54843, 71205, 91405, 118675, 127605, 212675, 274215, 356025, 457025, 638025, 859207, 1371075, 2577621, 4296035, 12888105, 21480175, 64440525]

約数ペア:

[(1, 64440525), (3, 21480175), (5, 12888105), (15, 4296035), (25, 2577621), (47, 1371075), (75, 859207), (101, 638025), (141, 457025), (181, 356025), (235, 274215), (303, 212675), (505, 127605), (543, 118675), (705, 91405), (905, 71205), (1175, 54843), (1515, 42535), (2525, 25521), (2715, 23735), (3525, 18281), (4525, 14241), (4747, 13575), (7575, 8507)]