128850309

素因数分解:

$3^2\times 7^1\times {\mathrm{1009}}^1\times {\mathrm{2027}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 213021120

約数和(自身を除く): 84170811

約数列:

[1, 3, 7, 9, 21, 63, 1009, 2027, 3027, 6081, 7063, 9081, 14189, 18243, 21189, 42567, 63567, 127701, 2045243, 6135729, 14316701, 18407187, 42950103, 128850309]

約数ペア:

[(1, 128850309), (3, 42950103), (7, 18407187), (9, 14316701), (21, 6135729), (63, 2045243), (1009, 127701), (2027, 63567), (3027, 42567), (6081, 21189), (7063, 18243), (9081, 14189)]