31181007

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{5591}}^1$

素因数の和:5631

約数の個数: 24

約数和(自身を含む): 49120128

約数和(自身を除く): 17939121

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 5577, 5591, 16773, 61501, 72683, 184503, 218049, 799513, 944879, 2398539, 2834637, 10393669, 31181007]

約数ペア:

[(1, 31181007), (3, 10393669), (11, 2834637), (13, 2398539), (33, 944879), (39, 799513), (143, 218049), (169, 184503), (429, 72683), (507, 61501), (1859, 16773), (5577, 5591)]