87721395

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{193}}^2$

素因数の和:551

約数の個数: 24

約数和(自身を含む): 141983856

約数和(自身を除く): 54262461

約数列:

[1, 3, 5, 15, 157, 193, 471, 579, 785, 965, 2355, 2895, 30301, 37249, 90903, 111747, 151505, 186245, 454515, 558735, 5848093, 17544279, 29240465, 87721395]

約数ペア:

[(1, 87721395), (3, 29240465), (5, 17544279), (15, 5848093), (157, 558735), (193, 454515), (471, 186245), (579, 151505), (785, 111747), (965, 90903), (2355, 37249), (2895, 30301)]