66789915

素因数分解:

$3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{10331}}^1$

素因数の和:10770

約数の個数: 16

約数和(自身を含む): 107122176

約数和(自身を除く): 40332261

約数列:

[1, 3, 5, 15, 431, 1293, 2155, 6465, 10331, 30993, 51655, 154965, 4452661, 13357983, 22263305, 66789915]

約数ペア:

[(1, 66789915), (3, 22263305), (5, 13357983), (15, 4452661), (431, 154965), (1293, 51655), (2155, 30993), (6465, 10331)]