207819621

素因数分解:

$3^3\times {\mathrm{163}}^1\times {\mathrm{47221}}^1$

素因数の和:47393

約数の個数: 16

約数和(自身を含む): 309776320

約数和(自身を除く): 101956699

約数列:

[1, 3, 9, 27, 163, 489, 1467, 4401, 47221, 141663, 424989, 1274967, 7697023, 23091069, 69273207, 207819621]

約数ペア:

[(1, 207819621), (3, 69273207), (9, 23091069), (27, 7697023), (163, 1274967), (489, 424989), (1467, 141663), (4401, 47221)]