64512825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 115992576

約数和(自身を除く): 51479751

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 127, 195, 325, 381, 521, 635, 975, 1563, 1651, 1905, 2605, 3175, 4953, 6773, 7815, 8255, 9525, 13025, 20319, 24765, 33865, 39075, 41275, 66167, 101595, 123825, 169325, 198501, 330835, 507975, 860171, 992505, 1654175, 2580513, 4300855, 4962525, 12902565, 21504275, 64512825]

約数ペア:

[(1, 64512825), (3, 21504275), (5, 12902565), (13, 4962525), (15, 4300855), (25, 2580513), (39, 1654175), (65, 992505), (75, 860171), (127, 507975), (195, 330835), (325, 198501), (381, 169325), (521, 123825), (635, 101595), (975, 66167), (1563, 41275), (1651, 39075), (1905, 33865), (2605, 24765), (3175, 20319), (4953, 13025), (6773, 9525), (7815, 8255)]