1820009079

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{265037}}^1$

素因数の和:265159

約数の個数: 24

約数和(自身を含む): 3032034720

約数和(自身を除く): 1212025641

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 2289, 6867, 265037, 795111, 1855259, 2385333, 5565777, 16697331, 28889033, 86667099, 202223231, 260001297, 606669693, 1820009079]

約数ペア:

[(1, 1820009079), (3, 606669693), (7, 260001297), (9, 202223231), (21, 86667099), (63, 28889033), (109, 16697331), (327, 5565777), (763, 2385333), (981, 1855259), (2289, 795111), (6867, 265037)]