55666821

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{11887}}^1$

素因数の和:12120

約数の個数: 16

約数和(自身を含む): 85213184

約数和(自身を除く): 29546363

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 11887, 35661, 83209, 249627, 2650801, 7952403, 18555607, 55666821]

約数ペア:

[(1, 55666821), (3, 18555607), (7, 7952403), (21, 2650801), (223, 249627), (669, 83209), (1561, 35661), (4683, 11887)]