13181913

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{15749}}^1$

素因数の和:15789

約数の個数: 16

約数和(自身を含む): 20160000

約数和(自身を除く): 6978087

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 15749, 47247, 141741, 425223, 488219, 1464657, 4393971, 13181913]

約数ペア:

[(1, 13181913), (3, 4393971), (9, 1464657), (27, 488219), (31, 425223), (93, 141741), (279, 47247), (837, 15749)]