489855

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{113}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 839952

約数和(自身を除く): 350097

約数列:

[1, 3, 5, 15, 17, 51, 85, 113, 255, 289, 339, 565, 867, 1445, 1695, 1921, 4335, 5763, 9605, 28815, 32657, 97971, 163285, 489855]

約数ペア:

[(1, 489855), (3, 163285), (5, 97971), (15, 32657), (17, 28815), (51, 9605), (85, 5763), (113, 4335), (255, 1921), (289, 1695), (339, 1445), (565, 867)]