990236403

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{651043}}^1$

素因数の和:651075

約数の個数: 18

約数和(自身を含む): 1548833676

約数和(自身を除く): 558597273

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 651043, 1953129, 5859387, 8463559, 25390677, 76172031, 110026267, 330078801, 990236403]

約数ペア:

[(1, 990236403), (3, 330078801), (9, 110026267), (13, 76172031), (39, 25390677), (117, 8463559), (169, 5859387), (507, 1953129), (1521, 651043)]