2947005

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1523}}^1$

素因数の和:1577

約数の個数: 24

約数和(自身を含む): 5230368

約数和(自身を除く): 2283363

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1523, 1935, 4569, 7615, 13707, 22845, 65489, 68535, 196467, 327445, 589401, 982335, 2947005]

約数ペア:

[(1, 2947005), (3, 982335), (5, 589401), (9, 327445), (15, 196467), (43, 68535), (45, 65489), (129, 22845), (215, 13707), (387, 7615), (645, 4569), (1523, 1935)]