27131913

素因数分解:

$3^2\times {\mathrm{31}}^2\times {\mathrm{3137}}^1$

素因数の和:3205

約数の個数: 18

約数和(自身を含む): 40508442

約数和(自身を除く): 13376529

約数列:

[1, 3, 9, 31, 93, 279, 961, 2883, 3137, 8649, 9411, 28233, 97247, 291741, 875223, 3014657, 9043971, 27131913]

約数ペア:

[(1, 27131913), (3, 9043971), (9, 3014657), (31, 875223), (93, 291741), (279, 97247), (961, 28233), (2883, 9411), (3137, 8649)]