12990561

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{3191}}^1$

素因数の和:3276

約数の個数: 16

約数和(自身を含む): 18385920

約数和(自身を除く): 5395359

約数列:

[1, 3, 23, 59, 69, 177, 1357, 3191, 4071, 9573, 73393, 188269, 220179, 564807, 4330187, 12990561]

約数ペア:

[(1, 12990561), (3, 4330187), (23, 564807), (59, 220179), (69, 188269), (177, 73393), (1357, 9573), (3191, 4071)]