28777161

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{1201}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 44945184

約数和(自身を除く): 16168023

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 1141, 1201, 3423, 3603, 7987, 8407, 23961, 25221, 58849, 176547, 195763, 587289, 1370341, 4111023, 9592387, 28777161]

約数ペア:

[(1, 28777161), (3, 9592387), (7, 4111023), (21, 1370341), (49, 587289), (147, 195763), (163, 176547), (489, 58849), (1141, 25221), (1201, 23961), (3423, 8407), (3603, 7987)]