53211221

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{647}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 63037440

約数和(自身を除く): 9826219

約数列:

[1, 7, 31, 217, 379, 647, 2653, 4529, 11749, 20057, 82243, 140399, 245213, 1716491, 7601603, 53211221]

約数ペア:

[(1, 53211221), (7, 7601603), (31, 1716491), (217, 245213), (379, 140399), (647, 82243), (2653, 20057), (4529, 11749)]