28702047

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2199

約数の個数: 24

約数和(自身を含む): 43221808

約数和(自身を除く): 14519761

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 2137, 4477, 6411, 13431, 23507, 70521, 79069, 237207, 258577, 775731, 869759, 2609277, 9567349, 28702047]

約数ペア:

[(1, 28702047), (3, 9567349), (11, 2609277), (33, 869759), (37, 775731), (111, 258577), (121, 237207), (363, 79069), (407, 70521), (1221, 23507), (2137, 13431), (4477, 6411)]