2019990015

素因数分解:

$3^3\times 5^1\times {\mathrm{14962889}}^1$

素因数の和:14962903

約数の個数: 16

約数和(自身を含む): 3591093600

約数和(自身を除く): 1571103585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 14962889, 44888667, 74814445, 134666001, 224443335, 403998003, 673330005, 2019990015]

約数ペア:

[(1, 2019990015), (3, 673330005), (5, 403998003), (9, 224443335), (15, 134666001), (27, 74814445), (45, 44888667), (135, 14962889)]