1220175

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 72

約数和(自身を含む): 2611440

約数和(自身を除く): 1391265

約数列:

[1, 3, 5, 9, 11, 15, 17, 25, 29, 33, 45, 51, 55, 75, 85, 87, 99, 145, 153, 165, 187, 225, 255, 261, 275, 319, 425, 435, 493, 495, 561, 725, 765, 825, 935, 957, 1275, 1305, 1479, 1595, 1683, 2175, 2465, 2475, 2805, 2871, 3825, 4437, 4675, 4785, 5423, 6525, 7395, 7975, 8415, 12325, 14025, 14355, 16269, 22185, 23925, 27115, 36975, 42075, 48807, 71775, 81345, 110925, 135575, 244035, 406725, 1220175]

約数ペア:

[(1, 1220175), (3, 406725), (5, 244035), (9, 135575), (11, 110925), (15, 81345), (17, 71775), (25, 48807), (29, 42075), (33, 36975), (45, 27115), (51, 23925), (55, 22185), (75, 16269), (85, 14355), (87, 14025), (99, 12325), (145, 8415), (153, 7975), (165, 7395), (187, 6525), (225, 5423), (255, 4785), (261, 4675), (275, 4437), (319, 3825), (425, 2871), (435, 2805), (493, 2475), (495, 2465), (561, 2175), (725, 1683), (765, 1595), (825, 1479), (935, 1305), (957, 1275)]