78811209

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{277}}^1\times {\mathrm{313}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 115749192

約数和(自身を除く): 36937983

約数列:

[1, 3, 9, 101, 277, 303, 313, 831, 909, 939, 2493, 2817, 27977, 31613, 83931, 86701, 94839, 251793, 260103, 284517, 780309, 8756801, 26270403, 78811209]

約数ペア:

[(1, 78811209), (3, 26270403), (9, 8756801), (101, 780309), (277, 284517), (303, 260103), (313, 251793), (831, 94839), (909, 86701), (939, 83931), (2493, 31613), (2817, 27977)]