25971921

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{1031}}^1$

素因数の和:1354

約数の個数: 20

約数和(自身を含む): 38960064

約数和(自身を除く): 12988143

約数列:

[1, 3, 9, 27, 81, 311, 933, 1031, 2799, 3093, 8397, 9279, 25191, 27837, 83511, 320641, 961923, 2885769, 8657307, 25971921]

約数ペア:

[(1, 25971921), (3, 8657307), (9, 2885769), (27, 961923), (81, 320641), (311, 83511), (933, 27837), (1031, 25191), (2799, 9279), (3093, 8397)]