81531486

素因数分解:

$2^1\times 3^2\times {\mathrm{1373}}^1\times {\mathrm{3299}}^1$

素因数の和:4680

約数の個数: 24

約数和(自身を含む): 176833800

約数和(自身を除く): 95302314

約数列:

[1, 2, 3, 6, 9, 18, 1373, 2746, 3299, 4119, 6598, 8238, 9897, 12357, 19794, 24714, 29691, 59382, 4529527, 9059054, 13588581, 27177162, 40765743, 81531486]

約数ペア:

[(1, 81531486), (2, 40765743), (3, 27177162), (6, 13588581), (9, 9059054), (18, 4529527), (1373, 59382), (2746, 29691), (3299, 24714), (4119, 19794), (6598, 12357), (8238, 9897)]