31081977

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 46414368

約数和(自身を除く): 15332391

約数列:

[1, 3, 9, 41, 123, 131, 369, 393, 643, 1179, 1929, 5371, 5787, 16113, 26363, 48339, 79089, 84233, 237267, 252699, 758097, 3453553, 10360659, 31081977]

約数ペア:

[(1, 31081977), (3, 10360659), (9, 3453553), (41, 758097), (123, 252699), (131, 237267), (369, 84233), (393, 79089), (643, 48339), (1179, 26363), (1929, 16113), (5371, 5787)]