31315878

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{158161}}^1$

素因数の和:158180

約数の個数: 24

約数和(自身を含む): 74019816

約数和(自身を除く): 42703938

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 158161, 316322, 474483, 948966, 1423449, 1739771, 2846898, 3479542, 5219313, 10438626, 15657939, 31315878]

約数ペア:

[(1, 31315878), (2, 15657939), (3, 10438626), (6, 5219313), (9, 3479542), (11, 2846898), (18, 1739771), (22, 1423449), (33, 948966), (66, 474483), (99, 316322), (198, 158161)]