31868421

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{677}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 49206528

約数和(自身を除く): 17338107

約数列:

[1, 3, 13, 17, 39, 51, 71, 213, 221, 663, 677, 923, 1207, 2031, 2769, 3621, 8801, 11509, 15691, 26403, 34527, 47073, 48067, 144201, 149617, 448851, 624871, 817139, 1874613, 2451417, 10622807, 31868421]

約数ペア:

[(1, 31868421), (3, 10622807), (13, 2451417), (17, 1874613), (39, 817139), (51, 624871), (71, 448851), (213, 149617), (221, 144201), (663, 48067), (677, 47073), (923, 34527), (1207, 26403), (2031, 15691), (2769, 11509), (3621, 8801)]