28545993

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2069}}^1$

素因数の和:2158

約数の個数: 32

約数和(自身を含む): 49017600

約数和(自身を除く): 20471607

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1533, 1971, 2069, 4599, 6207, 13797, 14483, 18621, 43449, 55863, 130347, 151037, 391041, 453111, 1057259, 1359333, 3171777, 4077999, 9515331, 28545993]

約数ペア:

[(1, 28545993), (3, 9515331), (7, 4077999), (9, 3171777), (21, 1359333), (27, 1057259), (63, 453111), (73, 391041), (189, 151037), (219, 130347), (511, 55863), (657, 43449), (1533, 18621), (1971, 14483), (2069, 13797), (4599, 6207)]