72509775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2399}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 133324800

約数和(自身を除く): 60815025

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 2399, 6045, 7197, 10075, 11995, 30225, 31187, 35985, 59975, 74369, 93561, 155935, 179925, 223107, 371845, 467805, 779675, 966797, 1115535, 1859225, 2339025, 2900391, 4833985, 5577675, 14501955, 24169925, 72509775]

約数ペア:

[(1, 72509775), (3, 24169925), (5, 14501955), (13, 5577675), (15, 4833985), (25, 2900391), (31, 2339025), (39, 1859225), (65, 1115535), (75, 966797), (93, 779675), (155, 467805), (195, 371845), (325, 223107), (403, 179925), (465, 155935), (775, 93561), (975, 74369), (1209, 59975), (2015, 35985), (2325, 31187), (2399, 30225), (6045, 11995), (7197, 10075)]