40625221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14401}}^1$

素因数の和:14452

約数の個数: 16

約数和(自身を含む): 51616768

約数和(自身を除く): 10991547

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 14401, 100807, 187213, 446431, 1310491, 3125017, 5803603, 40625221]

約数ペア:

[(1, 40625221), (7, 5803603), (13, 3125017), (31, 1310491), (91, 446431), (217, 187213), (403, 100807), (2821, 14401)]