201907215

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{87977}}^1$

素因数の和:88008

約数の個数: 32

約数和(自身を含む): 380064960

約数和(自身を除く): 178157745

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 87977, 263931, 439885, 791793, 1319655, 1495609, 2375379, 3958965, 4486827, 7478045, 11876895, 13460481, 22434135, 40381443, 67302405, 201907215]

約数ペア:

[(1, 201907215), (3, 67302405), (5, 40381443), (9, 22434135), (15, 13460481), (17, 11876895), (27, 7478045), (45, 4486827), (51, 3958965), (85, 2375379), (135, 1495609), (153, 1319655), (255, 791793), (459, 439885), (765, 263931), (2295, 87977)]