31219617

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 49746816

約数和(自身を除く): 18527199

約数列:

[1, 3, 11, 13, 33, 39, 61, 143, 183, 429, 671, 793, 1193, 2013, 2379, 3579, 8723, 13123, 15509, 26169, 39369, 46527, 72773, 170599, 218319, 511797, 800503, 946049, 2401509, 2838147, 10406539, 31219617]

約数ペア:

[(1, 31219617), (3, 10406539), (11, 2838147), (13, 2401509), (33, 946049), (39, 800503), (61, 511797), (143, 218319), (183, 170599), (429, 72773), (671, 46527), (793, 39369), (1193, 26169), (2013, 15509), (2379, 13123), (3579, 8723)]