15920019

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1327}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 24307712

約数和(自身を除く): 8387693

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1327, 1333, 3981, 3999, 11943, 11997, 41137, 57061, 123411, 171183, 370233, 513549, 1768891, 5306673, 15920019]

約数ペア:

[(1, 15920019), (3, 5306673), (9, 1768891), (31, 513549), (43, 370233), (93, 171183), (129, 123411), (279, 57061), (387, 41137), (1327, 11997), (1333, 11943), (3981, 3999)]