215130819

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1\times {\mathrm{1997}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 290109600

約数和(自身を除く): 74978781

約数列:

[1, 3, 149, 241, 447, 723, 1997, 5991, 35909, 107727, 297553, 481277, 892659, 1443831, 71710273, 215130819]

約数ペア:

[(1, 215130819), (3, 71710273), (149, 1443831), (241, 892659), (447, 481277), (723, 297553), (1997, 107727), (5991, 35909)]