490109199

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{21023}}^1$

素因数の和:21454

約数の個数: 16

約数和(自身を含む): 689587200

約数和(自身を除く): 199478001

約数列:

[1, 3, 19, 57, 409, 1227, 7771, 21023, 23313, 63069, 399437, 1198311, 8598407, 25795221, 163369733, 490109199]

約数ペア:

[(1, 490109199), (3, 163369733), (19, 25795221), (57, 8598407), (409, 1198311), (1227, 399437), (7771, 63069), (21023, 23313)]