266571891

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{53951}}^1$

素因数の和:54024

約数の個数: 20

約数和(自身を含む): 404747904

約数和(自身を除く): 138176013

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 53951, 161853, 485559, 1456677, 3291011, 4370031, 9873033, 29619099, 88857297, 266571891]

約数ペア:

[(1, 266571891), (3, 88857297), (9, 29619099), (27, 9873033), (61, 4370031), (81, 3291011), (183, 1456677), (549, 485559), (1647, 161853), (4941, 53951)]