81843021

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{541}}^1$

素因数の和:994

約数の個数: 32

約数和(自身を含む): 131120640

約数和(自身を除く): 49277619

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 431, 541, 1293, 1623, 3879, 4869, 5603, 7033, 11637, 14607, 16809, 21099, 50427, 63297, 151281, 189891, 233171, 699513, 2098539, 3031223, 6295617, 9093669, 27281007, 81843021]

約数ペア:

[(1, 81843021), (3, 27281007), (9, 9093669), (13, 6295617), (27, 3031223), (39, 2098539), (117, 699513), (351, 233171), (431, 189891), (541, 151281), (1293, 63297), (1623, 50427), (3879, 21099), (4869, 16809), (5603, 14607), (7033, 11637)]