15772211

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5591}}^1$

素因数の和:5642

約数の個数: 16

約数和(自身を含む): 20041728

約数和(自身を除く): 4269517

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 5591, 39137, 72683, 173321, 508781, 1213247, 2253173, 15772211]

約数ペア:

[(1, 15772211), (7, 2253173), (13, 1213247), (31, 508781), (91, 173321), (217, 72683), (403, 39137), (2821, 5591)]