31268985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{189509}}^1$

素因数の和:189528

約数の個数: 16

約数和(自身を含む): 54578880

約数和(自身を除く): 23309895

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 189509, 568527, 947545, 2084599, 2842635, 6253797, 10422995, 31268985]

約数ペア:

[(1, 31268985), (3, 10422995), (5, 6253797), (11, 2842635), (15, 2084599), (33, 947545), (55, 568527), (165, 189509)]