13431891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2971}}^1$

素因数の和:3122

約数の個数: 16

約数和(自身を含む): 19686528

約数和(自身を除く): 6254637

約数列:

[1, 3, 11, 33, 137, 411, 1507, 2971, 4521, 8913, 32681, 98043, 407027, 1221081, 4477297, 13431891]

約数ペア:

[(1, 13431891), (3, 4477297), (11, 1221081), (33, 407027), (137, 98043), (411, 32681), (1507, 8913), (2971, 4521)]