66215151

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{17393}}^1$

素因数の和:17452

約数の個数: 20

約数和(自身を含む): 101024352

約数和(自身を除く): 34809201

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 17393, 52179, 156537, 469611, 817471, 1408833, 2452413, 7357239, 22071717, 66215151]

約数ペア:

[(1, 66215151), (3, 22071717), (9, 7357239), (27, 2452413), (47, 1408833), (81, 817471), (141, 469611), (423, 156537), (1269, 52179), (3807, 17393)]