81266549

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1129}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 102798360

約数和(自身を除く): 21531811

約数列:

[1, 7, 13, 49, 91, 113, 637, 791, 1129, 1469, 5537, 7903, 10283, 14677, 55321, 71981, 102739, 127577, 719173, 893039, 1658501, 6251273, 11609507, 81266549]

約数ペア:

[(1, 81266549), (7, 11609507), (13, 6251273), (49, 1658501), (91, 893039), (113, 719173), (637, 127577), (791, 102739), (1129, 71981), (1469, 55321), (5537, 14677), (7903, 10283)]