13228305

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20509}}^1$

素因数の和:20560

約数の個数: 16

約数和(自身を含む): 21658560

約数和(自身を除く): 8430255

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 20509, 61527, 102545, 307635, 881887, 2645661, 4409435, 13228305]

約数ペア:

[(1, 13228305), (3, 4409435), (5, 2645661), (15, 881887), (43, 307635), (129, 102545), (215, 61527), (645, 20509)]