28574901

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 45806592

約数和(自身を除く): 17231691

約数列:

[1, 3, 9, 23, 31, 61, 69, 73, 93, 183, 207, 219, 279, 549, 657, 713, 1403, 1679, 1891, 2139, 2263, 4209, 4453, 5037, 5673, 6417, 6789, 12627, 13359, 15111, 17019, 20367, 40077, 43493, 52049, 102419, 130479, 138043, 156147, 307257, 391437, 414129, 468441, 921771, 1242387, 3174989, 9524967, 28574901]

約数ペア:

[(1, 28574901), (3, 9524967), (9, 3174989), (23, 1242387), (31, 921771), (61, 468441), (69, 414129), (73, 391437), (93, 307257), (183, 156147), (207, 138043), (219, 130479), (279, 102419), (549, 52049), (657, 43493), (713, 40077), (1403, 20367), (1679, 17019), (1891, 15111), (2139, 13359), (2263, 12627), (4209, 6789), (4453, 6417), (5037, 5673)]