31814991

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{90641}}^1$

素因数の和:90663

約数の個数: 16

約数和(自身を含む): 50759520

約数和(自身を除く): 18944529

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 90641, 271923, 815769, 1178333, 2447307, 3534999, 10604997, 31814991]

約数ペア:

[(1, 31814991), (3, 10604997), (9, 3534999), (13, 2447307), (27, 1178333), (39, 815769), (117, 271923), (351, 90641)]