31561405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{2161}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 39849984

約数和(自身を除く): 8288579

約数列:

[1, 5, 23, 115, 127, 635, 2161, 2921, 10805, 14605, 49703, 248515, 274447, 1372235, 6312281, 31561405]

約数ペア:

[(1, 31561405), (5, 6312281), (23, 1372235), (115, 274447), (127, 248515), (635, 49703), (2161, 14605), (2921, 10805)]