261385917

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{91811}}^1$

素因数の和:91900

約数の個数: 16

約数和(自身を含む): 380468928

約数和(自身を除く): 119083011

約数列:

[1, 3, 13, 39, 73, 219, 949, 2847, 91811, 275433, 1193543, 3580629, 6702203, 20106609, 87128639, 261385917]

約数ペア:

[(1, 261385917), (3, 87128639), (13, 20106609), (39, 6702203), (73, 3580629), (219, 1193543), (949, 275433), (2847, 91811)]