2821609

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:336

約数の個数: 16

約数和(自身を含む): 3459456

約数和(自身を除く): 637847

約数列:

[1, 7, 17, 119, 131, 181, 917, 1267, 2227, 3077, 15589, 21539, 23711, 165977, 403087, 2821609]

約数ペア:

[(1, 2821609), (7, 403087), (17, 165977), (119, 23711), (131, 21539), (181, 15589), (917, 3077), (1267, 2227)]