815991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 1205760

約数和(自身を除く): 389769

約数列:

[1, 3, 11, 33, 79, 237, 313, 869, 939, 2607, 3443, 10329, 24727, 74181, 271997, 815991]

約数ペア:

[(1, 815991), (3, 271997), (11, 74181), (33, 24727), (79, 10329), (237, 3443), (313, 2607), (869, 939)]