12128535

素因数分解:

$3^4\times 5^1\times {\mathrm{29947}}^1$

素因数の和:29964

約数の個数: 20

約数和(自身を含む): 21742248

約数和(自身を除く): 9613713

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 29947, 89841, 149735, 269523, 449205, 808569, 1347615, 2425707, 4042845, 12128535]

約数ペア:

[(1, 12128535), (3, 4042845), (5, 2425707), (9, 1347615), (15, 808569), (27, 449205), (45, 269523), (81, 149735), (135, 89841), (405, 29947)]