28481859

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{9619}}^1$

素因数の和:9679

約数の個数: 24

約数和(自身を含む): 48023040

約数和(自身を除く): 19541181

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 9619, 28857, 67333, 86571, 201999, 452093, 605997, 1356279, 3164651, 4068837, 9493953, 28481859]

約数ペア:

[(1, 28481859), (3, 9493953), (7, 4068837), (9, 3164651), (21, 1356279), (47, 605997), (63, 452093), (141, 201999), (329, 86571), (423, 67333), (987, 28857), (2961, 9619)]