2681265

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4157}}^1$

素因数の和:4208

約数の個数: 16

約数和(自身を含む): 4390848

約数和(自身を除く): 1709583

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 4157, 12471, 20785, 62355, 178751, 536253, 893755, 2681265]

約数ペア:

[(1, 2681265), (3, 893755), (5, 536253), (15, 178751), (43, 62355), (129, 20785), (215, 12471), (645, 4157)]