28117899

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{3251}}^1$

素因数の和:3319

約数の個数: 18

約数和(自身を含む): 41980068

約数和(自身を除く): 13862169

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 3251, 8649, 9753, 29259, 100781, 302343, 907029, 3124211, 9372633, 28117899]

約数ペア:

[(1, 28117899), (3, 9372633), (9, 3124211), (31, 907029), (93, 302343), (279, 100781), (961, 29259), (2883, 9753), (3251, 8649)]