71520309

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 127999872

約数和(自身を除く): 56479563

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 153, 301, 357, 387, 731, 903, 1071, 1553, 2193, 2709, 4659, 5117, 6579, 10871, 13977, 15351, 26401, 32613, 46053, 66779, 79203, 97839, 184807, 200337, 237609, 467453, 554421, 601011, 1135243, 1402359, 1663263, 3405729, 4207077, 7946701, 10217187, 23840103, 71520309]

約数ペア:

[(1, 71520309), (3, 23840103), (7, 10217187), (9, 7946701), (17, 4207077), (21, 3405729), (43, 1663263), (51, 1402359), (63, 1135243), (119, 601011), (129, 554421), (153, 467453), (301, 237609), (357, 200337), (387, 184807), (731, 97839), (903, 79203), (1071, 66779), (1553, 46053), (2193, 32613), (2709, 26401), (4659, 15351), (5117, 13977), (6579, 10871)]