2813535

素因数分解:

$3^4\times 5^1\times {\mathrm{6947}}^1$

素因数の和:6964

約数の個数: 20

約数和(自身を含む): 5044248

約数和(自身を除く): 2230713

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6947, 20841, 34735, 62523, 104205, 187569, 312615, 562707, 937845, 2813535]

約数ペア:

[(1, 2813535), (3, 937845), (5, 562707), (9, 312615), (15, 187569), (27, 104205), (45, 62523), (81, 34735), (135, 20841), (405, 6947)]