747681

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 16

約数和(自身を含む): 1102080

約数和(自身を除く): 354399

約数列:

[1, 3, 11, 33, 139, 163, 417, 489, 1529, 1793, 4587, 5379, 22657, 67971, 249227, 747681]

約数ペア:

[(1, 747681), (3, 249227), (11, 67971), (33, 22657), (139, 5379), (163, 4587), (417, 1793), (489, 1529)]