65281251

素因数分解:

$3^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{2251}}^1$

素因数の和:3642

約数の個数: 16

約数和(自身を含む): 99592448

約数和(自身を除く): 34311197

約数列:

[1, 3, 7, 21, 1381, 2251, 4143, 6753, 9667, 15757, 29001, 47271, 3108631, 9325893, 21760417, 65281251]

約数ペア:

[(1, 65281251), (3, 21760417), (7, 9325893), (21, 3108631), (1381, 47271), (2251, 29001), (4143, 15757), (6753, 9667)]