31419981

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{9461}}^1$

素因数の和:9514

約数の個数: 20

約数和(自身を含む): 48085884

約数和(自身を除く): 16665903

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 9461, 28383, 85149, 255447, 387901, 766341, 1163703, 3491109, 10473327, 31419981]

約数ペア:

[(1, 31419981), (3, 10473327), (9, 3491109), (27, 1163703), (41, 766341), (81, 387901), (123, 255447), (369, 85149), (1107, 28383), (3321, 9461)]