15344721

素因数分解:

$3^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 56

約数和(自身を含む): 27421184

約数和(自身を除く): 12076463

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 97, 189, 217, 243, 279, 291, 567, 651, 679, 729, 837, 873, 1701, 1953, 2037, 2511, 2619, 3007, 5103, 5859, 6111, 7533, 7857, 9021, 17577, 18333, 21049, 22599, 23571, 27063, 52731, 54999, 63147, 70713, 81189, 158193, 164997, 189441, 243567, 494991, 568323, 730701, 1704969, 2192103, 5114907, 15344721]

約数ペア:

[(1, 15344721), (3, 5114907), (7, 2192103), (9, 1704969), (21, 730701), (27, 568323), (31, 494991), (63, 243567), (81, 189441), (93, 164997), (97, 158193), (189, 81189), (217, 70713), (243, 63147), (279, 54999), (291, 52731), (567, 27063), (651, 23571), (679, 22599), (729, 21049), (837, 18333), (873, 17577), (1701, 9021), (1953, 7857), (2037, 7533), (2511, 6111), (2619, 5859), (3007, 5103)]