31809921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{74149}}^1$

素因数の和:74176

約数の個数: 16

約数和(自身を含む): 49828800

約数和(自身を除く): 18018879

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 74149, 222447, 815639, 963937, 2446917, 2891811, 10603307, 31809921]

約数ペア:

[(1, 31809921), (3, 10603307), (11, 2891811), (13, 2446917), (33, 963937), (39, 815639), (143, 222447), (429, 74149)]