28791207

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5827}}^1$

素因数の和:5900

約数の個数: 20

約数和(自身を含む): 43721656

約数和(自身を除く): 14930449

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5827, 17481, 52443, 157329, 355447, 471987, 1066341, 3199023, 9597069, 28791207]

約数ペア:

[(1, 28791207), (3, 9597069), (9, 3199023), (27, 1066341), (61, 471987), (81, 355447), (183, 157329), (549, 52443), (1647, 17481), (4941, 5827)]