645975

素因数分解:

$3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:62

約数の個数: 60

約数和(自身を含む): 1350360

約数和(自身を除く): 704385

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 29, 33, 45, 55, 75, 81, 87, 99, 135, 145, 165, 225, 261, 275, 297, 319, 405, 435, 495, 675, 725, 783, 825, 891, 957, 1305, 1485, 1595, 2025, 2175, 2349, 2475, 2871, 3915, 4455, 4785, 6525, 7425, 7975, 8613, 11745, 14355, 19575, 22275, 23925, 25839, 43065, 58725, 71775, 129195, 215325, 645975]

約数ペア:

[(1, 645975), (3, 215325), (5, 129195), (9, 71775), (11, 58725), (15, 43065), (25, 25839), (27, 23925), (29, 22275), (33, 19575), (45, 14355), (55, 11745), (75, 8613), (81, 7975), (87, 7425), (99, 6525), (135, 4785), (145, 4455), (165, 3915), (225, 2871), (261, 2475), (275, 2349), (297, 2175), (319, 2025), (405, 1595), (435, 1485), (495, 1305), (675, 957), (725, 891), (783, 825)]