25812801

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13217}}^1$

素因数の和:13261

約数の個数: 24

約数和(自身を含む): 43989504

約数和(自身を除く): 18176703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 13217, 39651, 92519, 118953, 277557, 409727, 832671, 1229181, 2868089, 3687543, 8604267, 25812801]

約数ペア:

[(1, 25812801), (3, 8604267), (7, 3687543), (9, 2868089), (21, 1229181), (31, 832671), (63, 409727), (93, 277557), (217, 118953), (279, 92519), (651, 39651), (1953, 13217)]