31274551

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21377}}^1$

素因数の和:21414

約数の個数: 16

約数和(自身を含む): 41045760

約数和(自身を除く): 9771209

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 21377, 149639, 235147, 406163, 1646029, 2843141, 4467793, 31274551]

約数ペア:

[(1, 31274551), (7, 4467793), (11, 2843141), (19, 1646029), (77, 406163), (133, 235147), (209, 149639), (1463, 21377)]