28222713

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1523}}^1$

素因数の和:1629

約数の個数: 24

約数和(自身を含む): 42793920

約数和(自身を除く): 14571207

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 1523, 2059, 4569, 6177, 13707, 18531, 44167, 108133, 132501, 324399, 397503, 973197, 3135857, 9407571, 28222713]

約数ペア:

[(1, 28222713), (3, 9407571), (9, 3135857), (29, 973197), (71, 397503), (87, 324399), (213, 132501), (261, 108133), (639, 44167), (1523, 18531), (2059, 13707), (4569, 6177)]