12271425

素因数分解:

$3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1393

約数の個数: 24

約数和(自身を含む): 20460000

約数和(自身を除く): 8188575

約数列:

[1, 3, 5, 15, 25, 75, 131, 393, 655, 1249, 1965, 3275, 3747, 6245, 9825, 18735, 31225, 93675, 163619, 490857, 818095, 2454285, 4090475, 12271425]

約数ペア:

[(1, 12271425), (3, 4090475), (5, 2454285), (15, 818095), (25, 490857), (75, 163619), (131, 93675), (393, 31225), (655, 18735), (1249, 9825), (1965, 6245), (3275, 3747)]