42397263

素因数分解:

$3^4\times {\mathrm{647}}^1\times {\mathrm{809}}^1$

素因数の和:1468

約数の個数: 20

約数和(自身を含む): 63510480

約数和(自身を除く): 21113217

約数列:

[1, 3, 9, 27, 81, 647, 809, 1941, 2427, 5823, 7281, 17469, 21843, 52407, 65529, 523423, 1570269, 4710807, 14132421, 42397263]

約数ペア:

[(1, 42397263), (3, 14132421), (9, 4710807), (27, 1570269), (81, 523423), (647, 65529), (809, 52407), (1941, 21843), (2427, 17469), (5823, 7281)]