28147986

素因数分解:

$2^1\times 3^4\times {\mathrm{239}}^1\times {\mathrm{727}}^1$

素因数の和:980

約数の個数: 40

約数和(自身を含む): 63423360

約数和(自身を除く): 35275374

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 239, 478, 717, 727, 1434, 1454, 2151, 2181, 4302, 4362, 6453, 6543, 12906, 13086, 19359, 19629, 38718, 39258, 58887, 117774, 173753, 347506, 521259, 1042518, 1563777, 3127554, 4691331, 9382662, 14073993, 28147986]

約数ペア:

[(1, 28147986), (2, 14073993), (3, 9382662), (6, 4691331), (9, 3127554), (18, 1563777), (27, 1042518), (54, 521259), (81, 347506), (162, 173753), (239, 117774), (478, 58887), (717, 39258), (727, 38718), (1434, 19629), (1454, 19359), (2151, 13086), (2181, 12906), (4302, 6543), (4362, 6453)]