13380339

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 21381120

約数和(自身を除く): 8000781

約数列:

[1, 3, 7, 21, 29, 87, 127, 173, 203, 381, 519, 609, 889, 1211, 2667, 3633, 3683, 5017, 11049, 15051, 21971, 25781, 35119, 65913, 77343, 105357, 153797, 461391, 637159, 1911477, 4460113, 13380339]

約数ペア:

[(1, 13380339), (3, 4460113), (7, 1911477), (21, 637159), (29, 461391), (87, 153797), (127, 105357), (173, 77343), (203, 65913), (381, 35119), (519, 25781), (609, 21971), (889, 15051), (1211, 11049), (2667, 5017), (3633, 3683)]