205979223051

素因数分解:

$3^4\times 7^1\times {\mathrm{363279053}}^1$

素因数の和:363279072

約数の個数: 20

約数和(自身を含む): 351654124272

約数和(自身を除く): 145674901221

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 363279053, 1089837159, 2542953371, 3269511477, 7628860113, 9808534431, 22886580339, 29425603293, 68659741017, 205979223051]

約数ペア:

[(1, 205979223051), (3, 68659741017), (7, 29425603293), (9, 22886580339), (21, 9808534431), (27, 7628860113), (63, 3269511477), (81, 2542953371), (189, 1089837159), (567, 363279053)]