179965881

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{71671}}^1$

素因数の和:71714

約数の個数: 20

約数和(自身を含む): 277513984

約数和(自身を除く): 97548103

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 71671, 215013, 645039, 1935117, 2221801, 5805351, 6665403, 19996209, 59988627, 179965881]

約数ペア:

[(1, 179965881), (3, 59988627), (9, 19996209), (27, 6665403), (31, 5805351), (81, 2221801), (93, 1935117), (279, 645039), (837, 215013), (2511, 71671)]