3899745

素因数分解:

$3^4\times 5^1\times {\mathrm{9629}}^1$

素因数の和:9646

約数の個数: 20

約数和(自身を含む): 6991380

約数和(自身を除く): 3091635

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9629, 28887, 48145, 86661, 144435, 259983, 433305, 779949, 1299915, 3899745]

約数ペア:

[(1, 3899745), (3, 1299915), (5, 779949), (9, 433305), (15, 259983), (27, 144435), (45, 86661), (81, 48145), (135, 28887), (405, 9629)]