87690001

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{1499}}^1$

素因数の和:1704

約数の個数: 16

約数和(自身を含む): 102672000

約数和(自身を除く): 14981999

約数列:

[1, 7, 61, 137, 427, 959, 1499, 8357, 10493, 58499, 91439, 205363, 640073, 1437541, 12527143, 87690001]

約数ペア:

[(1, 87690001), (7, 12527143), (61, 1437541), (137, 640073), (427, 205363), (959, 91439), (1499, 58499), (8357, 10493)]