87872135

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43609}}^1$

素因数の和:43658

約数の個数: 16

約数和(自身を含む): 117223680

約数和(自身を除く): 29351545

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 43609, 218045, 566917, 1351879, 2834585, 6759395, 17574427, 87872135]

約数ペア:

[(1, 87872135), (5, 17574427), (13, 6759395), (31, 2834585), (65, 1351879), (155, 566917), (403, 218045), (2015, 43609)]