31906149

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 49320960

約数和(自身を除く): 17414811

約数列:

[1, 3, 11, 19, 33, 57, 151, 209, 337, 453, 627, 1011, 1661, 2869, 3707, 4983, 6403, 8607, 11121, 19209, 31559, 50887, 70433, 94677, 152661, 211299, 559757, 966853, 1679271, 2900559, 10635383, 31906149]

約数ペア:

[(1, 31906149), (3, 10635383), (11, 2900559), (19, 1679271), (33, 966853), (57, 559757), (151, 211299), (209, 152661), (337, 94677), (453, 70433), (627, 50887), (1011, 31559), (1661, 19209), (2869, 11121), (3707, 8607), (4983, 6403)]