6420407

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:518

約数の個数: 16

約数和(自身を含む): 7840512

約数和(自身を除く): 1420105

約数列:

[1, 7, 17, 119, 163, 331, 1141, 2317, 2771, 5627, 19397, 39389, 53953, 377671, 917201, 6420407]

約数ペア:

[(1, 6420407), (7, 917201), (17, 377671), (119, 53953), (163, 39389), (331, 19397), (1141, 5627), (2317, 2771)]