31809121

素因数分解:

${\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:352

約数の個数: 16

約数和(自身を含む): 33761728

約数和(自身を除く): 1952607

約数列:

[1, 43, 61, 67, 181, 2623, 2881, 4087, 7783, 11041, 12127, 175741, 474763, 521461, 739747, 31809121]

約数ペア:

[(1, 31809121), (43, 739747), (61, 521461), (67, 474763), (181, 175741), (2623, 12127), (2881, 11041), (4087, 7783)]