25390701

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6607}}^1$

素因数の和:6681

約数の個数: 24

約数和(自身を含む): 42608384

約数和(自身を除く): 17217683

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 6607, 19821, 46249, 59463, 138747, 403027, 416241, 1209081, 2821189, 3627243, 8463567, 25390701]

約数ペア:

[(1, 25390701), (3, 8463567), (7, 3627243), (9, 2821189), (21, 1209081), (61, 416241), (63, 403027), (183, 138747), (427, 59463), (549, 46249), (1281, 19821), (3843, 6607)]