70721025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21929}}^1$

素因数の和:21985

約数の個数: 24

約数和(自身を含む): 119650080

約数和(自身を除く): 48929055

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 21929, 65787, 109645, 328935, 548225, 942947, 1644675, 2828841, 4714735, 14144205, 23573675, 70721025]

約数ペア:

[(1, 70721025), (3, 23573675), (5, 14144205), (15, 4714735), (25, 2828841), (43, 1644675), (75, 942947), (129, 548225), (215, 328935), (645, 109645), (1075, 65787), (3225, 21929)]