1217489

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{787}}^1$

素因数の和:824

約数の個数: 16

約数和(自身を含む): 1588608

約数和(自身を除く): 371119

約数列:

[1, 7, 13, 17, 91, 119, 221, 787, 1547, 5509, 10231, 13379, 71617, 93653, 173927, 1217489]

約数ペア:

[(1, 1217489), (7, 173927), (13, 93653), (17, 71617), (91, 13379), (119, 10231), (221, 5509), (787, 1547)]