28443771

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1999}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 46080000

約数和(自身を除く): 17636229

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 153, 279, 459, 527, 837, 1581, 1999, 4743, 5997, 14229, 17991, 33983, 53973, 61969, 101949, 185907, 305847, 557721, 917541, 1053473, 1673163, 3160419, 9481257, 28443771]

約数ペア:

[(1, 28443771), (3, 9481257), (9, 3160419), (17, 1673163), (27, 1053473), (31, 917541), (51, 557721), (93, 305847), (153, 185907), (279, 101949), (459, 61969), (527, 53973), (837, 33983), (1581, 17991), (1999, 14229), (4743, 5997)]