80729541

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{6689}}^1$

素因数の和:6850

約数の個数: 20

約数和(自身を含む): 121423500

約数和(自身を除く): 40693959

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 6689, 12069, 20067, 60201, 180603, 541809, 996661, 2989983, 8969949, 26909847, 80729541]

約数ペア:

[(1, 80729541), (3, 26909847), (9, 8969949), (27, 2989983), (81, 996661), (149, 541809), (447, 180603), (1341, 60201), (4023, 20067), (6689, 12069)]