198203421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{267481}}^1$

素因数の和:267516

約数の個数: 16

約数和(自身を含む): 299579840

約数和(自身を除く): 101376419

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 267481, 802443, 3477253, 5082139, 10431759, 15246417, 66067807, 198203421]

約数ペア:

[(1, 198203421), (3, 66067807), (13, 15246417), (19, 10431759), (39, 5082139), (57, 3477253), (247, 802443), (741, 267481)]