28015173

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 43718400

約数和(自身を除く): 15703227

約数列:

[1, 3, 9, 23, 27, 69, 197, 207, 229, 591, 621, 687, 1773, 2061, 4531, 5267, 5319, 6183, 13593, 15801, 40779, 45113, 47403, 122337, 135339, 142209, 406017, 1037599, 1218051, 3112797, 9338391, 28015173]

約数ペア:

[(1, 28015173), (3, 9338391), (9, 3112797), (23, 1218051), (27, 1037599), (69, 406017), (197, 142209), (207, 135339), (229, 122337), (591, 47403), (621, 45113), (687, 40779), (1773, 15801), (2061, 13593), (4531, 6183), (5267, 5319)]