320991147

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{1093}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 485736000

約数和(自身を除く): 164744853

約数列:

[1, 3, 9, 27, 73, 149, 219, 447, 657, 1093, 1341, 1971, 3279, 4023, 9837, 10877, 29511, 32631, 79789, 97893, 162857, 239367, 293679, 488571, 718101, 1465713, 2154303, 4397139, 11888561, 35665683, 106997049, 320991147]

約数ペア:

[(1, 320991147), (3, 106997049), (9, 35665683), (27, 11888561), (73, 4397139), (149, 2154303), (219, 1465713), (447, 718101), (657, 488571), (1093, 293679), (1341, 239367), (1971, 162857), (3279, 97893), (4023, 79789), (9837, 32631), (10877, 29511)]