28485513

素因数分解:

$3^4\times 7^2\times {\mathrm{7177}}^1$

素因数の和:7203

約数の個数: 30

約数和(自身を含む): 49506666

約数和(自身を除く): 21021153

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 7177, 21531, 50239, 64593, 150717, 193779, 351673, 452151, 581337, 1055019, 1356453, 3165057, 4069359, 9495171, 28485513]

約数ペア:

[(1, 28485513), (3, 9495171), (7, 4069359), (9, 3165057), (21, 1356453), (27, 1055019), (49, 581337), (63, 452151), (81, 351673), (147, 193779), (189, 150717), (441, 64593), (567, 50239), (1323, 21531), (3969, 7177)]