2017172781

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{31751}}^1$

素因数の和:31954

約数の個数: 32

約数和(自身を含む): 3236163840

約数和(自身を除く): 1218991059

約数列:

[1, 3, 9, 13, 27, 39, 117, 181, 351, 543, 1629, 2353, 4887, 7059, 21177, 31751, 63531, 95253, 285759, 412763, 857277, 1238289, 3714867, 5746931, 11144601, 17240793, 51722379, 74710103, 155167137, 224130309, 672390927, 2017172781]

約数ペア:

[(1, 2017172781), (3, 672390927), (9, 224130309), (13, 155167137), (27, 74710103), (39, 51722379), (117, 17240793), (181, 11144601), (351, 5746931), (543, 3714867), (1629, 1238289), (2353, 857277), (4887, 412763), (7059, 285759), (21177, 95253), (31751, 63531)]