12770217

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{4261}}^1$

素因数の和:4310

約数の個数: 20

約数和(自身を含む): 19596676

約数和(自身を除く): 6826459

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 4261, 12783, 38349, 115047, 157657, 345141, 472971, 1418913, 4256739, 12770217]

約数ペア:

[(1, 12770217), (3, 4256739), (9, 1418913), (27, 472971), (37, 345141), (81, 157657), (111, 115047), (333, 38349), (999, 12783), (2997, 4261)]