16728625

素因数分解:

$5^3\times {\mathrm{37}}^1\times {\mathrm{3617}}^1$

素因数の和:3669

約数の個数: 16

約数和(自身を含む): 21447504

約数和(自身を除く): 4718879

約数列:

[1, 5, 25, 37, 125, 185, 925, 3617, 4625, 18085, 90425, 133829, 452125, 669145, 3345725, 16728625]

約数ペア:

[(1, 16728625), (5, 3345725), (25, 669145), (37, 452125), (125, 133829), (185, 90425), (925, 18085), (3617, 4625)]