25620189

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{9173}}^1$

素因数の和:9209

約数の個数: 24

約数和(自身を含む): 41833440

約数和(自身を除く): 16213251

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 9173, 27519, 64211, 174287, 192633, 449477, 522861, 1220009, 1348431, 3660027, 8540063, 25620189]

約数ペア:

[(1, 25620189), (3, 8540063), (7, 3660027), (19, 1348431), (21, 1220009), (49, 522861), (57, 449477), (133, 192633), (147, 174287), (399, 64211), (931, 27519), (2793, 9173)]