28703385

素因数分解:

$3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3023}}^1$

素因数の和:3245

約数の個数: 24

約数和(自身を含む): 50004864

約数和(自身を除く): 21301479

約数列:

[1, 3, 5, 9, 15, 45, 211, 633, 1055, 1899, 3023, 3165, 9069, 9495, 15115, 27207, 45345, 136035, 637853, 1913559, 3189265, 5740677, 9567795, 28703385]

約数ペア:

[(1, 28703385), (3, 9567795), (5, 5740677), (9, 3189265), (15, 1913559), (45, 637853), (211, 136035), (633, 45345), (1055, 27207), (1899, 15115), (3023, 9495), (3165, 9069)]