221334287

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1949}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 240240000

約数和(自身を除く): 18905713

約数列:

[1, 19, 43, 139, 817, 1949, 2641, 5977, 37031, 83807, 113563, 270911, 1592333, 5147309, 11649173, 221334287]

約数ペア:

[(1, 221334287), (19, 11649173), (43, 5147309), (139, 1592333), (817, 270911), (1949, 113563), (2641, 83807), (5977, 37031)]