79481979

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{12421}}^1$

素因数の和:12512

約数の個数: 20

約数和(自身を含む): 120244960

約数和(自身を除く): 40762981

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 12421, 37263, 111789, 335367, 981259, 1006101, 2943777, 8831331, 26493993, 79481979]

約数ペア:

[(1, 79481979), (3, 26493993), (9, 8831331), (27, 2943777), (79, 1006101), (81, 981259), (237, 335367), (711, 111789), (2133, 37263), (6399, 12421)]