31389723

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 46768176

約数和(自身を除く): 15378453

約数列:

[1, 3, 9, 41, 123, 257, 331, 369, 771, 993, 2313, 2979, 10537, 13571, 31611, 40713, 85067, 94833, 122139, 255201, 765603, 3487747, 10463241, 31389723]

約数ペア:

[(1, 31389723), (3, 10463241), (9, 3487747), (41, 765603), (123, 255201), (257, 122139), (331, 94833), (369, 85067), (771, 40713), (993, 31611), (2313, 13571), (2979, 10537)]