207906993

素因数分解:

$3^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{5023}}^1$

素因数の和:5115

約数の個数: 40

約数和(自身を含む): 359879168

約数和(自身を除く): 151972175

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 511, 567, 657, 1533, 1971, 4599, 5023, 5913, 13797, 15069, 35161, 41391, 45207, 105483, 135621, 316449, 366679, 406863, 949347, 1100037, 2566753, 2848041, 3300111, 7700259, 9900333, 23100777, 29700999, 69302331, 207906993]

約数ペア:

[(1, 207906993), (3, 69302331), (7, 29700999), (9, 23100777), (21, 9900333), (27, 7700259), (63, 3300111), (73, 2848041), (81, 2566753), (189, 1100037), (219, 949347), (511, 406863), (567, 366679), (657, 316449), (1533, 135621), (1971, 105483), (4599, 45207), (5023, 41391), (5913, 35161), (13797, 15069)]