4215969

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:139

約数の個数: 40

約数和(自身を含む): 6876672

約数和(自身を除く): 2660703

約数列:

[1, 3, 9, 23, 27, 31, 69, 73, 81, 93, 207, 219, 279, 621, 657, 713, 837, 1679, 1863, 1971, 2139, 2263, 2511, 5037, 5913, 6417, 6789, 15111, 19251, 20367, 45333, 52049, 57753, 61101, 135999, 156147, 183303, 468441, 1405323, 4215969]

約数ペア:

[(1, 4215969), (3, 1405323), (9, 468441), (23, 183303), (27, 156147), (31, 135999), (69, 61101), (73, 57753), (81, 52049), (93, 45333), (207, 20367), (219, 19251), (279, 15111), (621, 6789), (657, 6417), (713, 5913), (837, 5037), (1679, 2511), (1863, 2263), (1971, 2139)]