388680243

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{27749}}^1$

素因数の和:27811

約数の個数: 32

約数和(自身を含む): 639360000

約数和(自身を除く): 250679757

約数列:

[1, 3, 7, 21, 23, 29, 69, 87, 161, 203, 483, 609, 667, 2001, 4669, 14007, 27749, 83247, 194243, 582729, 638227, 804721, 1914681, 2414163, 4467589, 5633047, 13402767, 16899141, 18508583, 55525749, 129560081, 388680243]

約数ペア:

[(1, 388680243), (3, 129560081), (7, 55525749), (21, 18508583), (23, 16899141), (29, 13402767), (69, 5633047), (87, 4467589), (161, 2414163), (203, 1914681), (483, 804721), (609, 638227), (667, 582729), (2001, 194243), (4669, 83247), (14007, 27749)]