196680939

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42379}}^1$

素因数の和:42419

約数の個数: 32

約数和(自身を含む): 341752320

約数和(自身を除く): 145071381

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4641, 42379, 127137, 296653, 550927, 720443, 889959, 1652781, 2161329, 3856489, 5043101, 9365759, 11569467, 15129303, 28097277, 65560313, 196680939]

約数ペア:

[(1, 196680939), (3, 65560313), (7, 28097277), (13, 15129303), (17, 11569467), (21, 9365759), (39, 5043101), (51, 3856489), (91, 2161329), (119, 1652781), (221, 889959), (273, 720443), (357, 550927), (663, 296653), (1547, 127137), (4641, 42379)]