56376405

素因数分解:

$3^4\times 5^1\times {\mathrm{139201}}^1$

素因数の和:139218

約数の個数: 20

約数和(自身を含む): 101060652

約数和(自身を除く): 44684247

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 139201, 417603, 696005, 1252809, 2088015, 3758427, 6264045, 11275281, 18792135, 56376405]

約数ペア:

[(1, 56376405), (3, 18792135), (5, 11275281), (9, 6264045), (15, 3758427), (27, 2088015), (45, 1252809), (81, 696005), (135, 417603), (405, 139201)]