156923921

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2671}}^1$

素因数の和:2805

約数の個数: 24

約数和(自身を含む): 201041280

約数和(自身を除く): 44117359

約数列:

[1, 7, 11, 49, 77, 109, 539, 763, 1199, 2671, 5341, 8393, 18697, 29381, 58751, 130879, 205667, 291139, 1439669, 2037973, 3202529, 14265811, 22417703, 156923921]

約数ペア:

[(1, 156923921), (7, 22417703), (11, 14265811), (49, 3202529), (77, 2037973), (109, 1439669), (539, 291139), (763, 205667), (1199, 130879), (2671, 58751), (5341, 29381), (8393, 18697)]