78921441

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{13147}}^1$

素因数の和:13205

約数の個数: 24

約数和(自身を含む): 123065280

約数和(自身を除く): 44143839

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 6003, 13147, 39441, 118323, 302381, 381263, 907143, 1143789, 2721429, 3431367, 8769049, 26307147, 78921441]

約数ペア:

[(1, 78921441), (3, 26307147), (9, 8769049), (23, 3431367), (29, 2721429), (69, 1143789), (87, 907143), (207, 381263), (261, 302381), (667, 118323), (2001, 39441), (6003, 13147)]