25991199

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{24683}}^1$

素因数の和:24708

約数の個数: 20

約数和(自身を含む): 41814696

約数和(自身を除く): 15823497

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 24683, 74049, 222147, 320879, 666441, 962637, 1999323, 2887911, 8663733, 25991199]

約数ペア:

[(1, 25991199), (3, 8663733), (9, 2887911), (13, 1999323), (27, 962637), (39, 666441), (81, 320879), (117, 222147), (351, 74049), (1053, 24683)]