128216277

素因数分解:

$3^5\times 7^1\times {\mathrm{75377}}^1$

素因数の和:75399

約数の個数: 24

約数和(自身を含む): 219500736

約数和(自身を除く): 91284459

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 75377, 226131, 527639, 678393, 1582917, 2035179, 4748751, 6105537, 14246253, 18316611, 42738759, 128216277]

約数ペア:

[(1, 128216277), (3, 42738759), (7, 18316611), (9, 14246253), (21, 6105537), (27, 4748751), (63, 2035179), (81, 1582917), (189, 678393), (243, 527639), (567, 226131), (1701, 75377)]