1311321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 1935360

約数和(自身を除く): 624039

約数列:

[1, 3, 11, 33, 79, 237, 503, 869, 1509, 2607, 5533, 16599, 39737, 119211, 437107, 1311321]

約数ペア:

[(1, 1311321), (3, 437107), (11, 119211), (33, 39737), (79, 16599), (237, 5533), (503, 2607), (869, 1509)]