20121033609

素因数分解:

$3^3\times {\mathrm{421}}^1\times {\mathrm{1770127}}^1$

素因数の和:1770557

約数の個数: 16

約数和(自身を含む): 29879760640

約数和(自身を除く): 9758727031

約数列:

[1, 3, 9, 27, 421, 1263, 3789, 11367, 1770127, 5310381, 15931143, 47793429, 745223467, 2235670401, 6707011203, 20121033609]

約数ペア:

[(1, 20121033609), (3, 6707011203), (9, 2235670401), (27, 745223467), (421, 47793429), (1263, 15931143), (3789, 5310381), (11367, 1770127)]