139703221

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1553}}^1$

素因数の和:1812

約数の個数: 16

約数和(自身を含む): 162908928

約数和(自身を除く): 23205707

約数列:

[1, 7, 71, 181, 497, 1267, 1553, 10871, 12851, 89957, 110263, 281093, 771841, 1967651, 19957603, 139703221]

約数ペア:

[(1, 139703221), (7, 19957603), (71, 1967651), (181, 771841), (497, 281093), (1267, 110263), (1553, 89957), (10871, 12851)]