31117689

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{16703}}^1$

素因数の和:16738

約数の個数: 20

約数和(自身を含む): 48508416

約数和(自身を除く): 17390727

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 16703, 50109, 150327, 384169, 450981, 1152507, 1352943, 3457521, 10372563, 31117689]

約数ペア:

[(1, 31117689), (3, 10372563), (9, 3457521), (23, 1352943), (27, 1152507), (69, 450981), (81, 384169), (207, 150327), (621, 50109), (1863, 16703)]