171638545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{9137}}^1$

素因数の和:9189

約数の個数: 24

約数和(自身を含む): 235650744

約数和(自身を除く): 64012199

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 3757, 9137, 18785, 45685, 118781, 155329, 593905, 776645, 2019277, 2640593, 10096385, 13202965, 34327709, 171638545]

約数ペア:

[(1, 171638545), (5, 34327709), (13, 13202965), (17, 10096385), (65, 2640593), (85, 2019277), (221, 776645), (289, 593905), (1105, 155329), (1445, 118781), (3757, 45685), (9137, 18785)]