208820913

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{242533}}^1$

素因数の和:242584

約数の個数: 16

約数和(自身を含む): 325965696

約数和(自身を除く): 117144783

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 242533, 727599, 1697731, 5093193, 9943853, 29831559, 69606971, 208820913]

約数ペア:

[(1, 208820913), (3, 69606971), (7, 29831559), (21, 9943853), (41, 5093193), (123, 1697731), (287, 727599), (861, 242533)]