128518443

素因数分解:

$3^2\times {\mathrm{43}}^2\times {\mathrm{7723}}^1$

素因数の和:7815

約数の個数: 18

約数和(自身を含む): 190079916

約数和(自身を除く): 61561473

約数列:

[1, 3, 9, 43, 129, 387, 1849, 5547, 7723, 16641, 23169, 69507, 332089, 996267, 2988801, 14279827, 42839481, 128518443]

約数ペア:

[(1, 128518443), (3, 42839481), (9, 14279827), (43, 2988801), (129, 996267), (387, 332089), (1849, 69507), (5547, 23169), (7723, 16641)]