2145405

素因数分解:

$3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{911}}^1$

素因数の和:1076

約数の個数: 16

約数和(自身を含む): 3458304

約数和(自身を除く): 1312899

約数列:

[1, 3, 5, 15, 157, 471, 785, 911, 2355, 2733, 4555, 13665, 143027, 429081, 715135, 2145405]

約数ペア:

[(1, 2145405), (3, 715135), (5, 429081), (15, 143027), (157, 13665), (471, 4555), (785, 2733), (911, 2355)]