172173879

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{229}}^1\times {\mathrm{601}}^1$

素因数の和:975

約数の個数: 24

約数和(自身を含む): 251997200

約数和(自身を除く): 79823321

約数列:

[1, 3, 9, 139, 229, 417, 601, 687, 1251, 1803, 2061, 5409, 31831, 83539, 95493, 137629, 250617, 286479, 412887, 751851, 1238661, 19130431, 57391293, 172173879]

約数ペア:

[(1, 172173879), (3, 57391293), (9, 19130431), (139, 1238661), (229, 751851), (417, 412887), (601, 286479), (687, 250617), (1251, 137629), (1803, 95493), (2061, 83539), (5409, 31831)]