12128520765

素因数分解:

$3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1976939}}^1$

素因数の和:1977356

約数の個数: 16

約数和(自身を含む): 19453089600

約数和(自身を除く): 7324568835

約数列:

[1, 3, 5, 15, 409, 1227, 2045, 6135, 1976939, 5930817, 9884695, 29654085, 808568051, 2425704153, 4042840255, 12128520765]

約数ペア:

[(1, 12128520765), (3, 4042840255), (5, 2425704153), (15, 808568051), (409, 29654085), (1227, 9884695), (2045, 5930817), (6135, 1976939)]