156678621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{30241}}^1$

素因数の和:30412

約数の個数: 16

約数和(自身を含む): 229355328

約数和(自身を除く): 72676707

約数列:

[1, 3, 11, 33, 157, 471, 1727, 5181, 30241, 90723, 332651, 997953, 4747837, 14243511, 52226207, 156678621]

約数ペア:

[(1, 156678621), (3, 52226207), (11, 14243511), (33, 4747837), (157, 997953), (471, 332651), (1727, 90723), (5181, 30241)]