86721675

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{4001}}^1$

素因数の和:4048

約数の個数: 36

約数和(自身を含む): 152348136

約数和(自身を除く): 65626461

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 867, 1275, 1445, 4001, 4335, 7225, 12003, 20005, 21675, 60015, 68017, 100025, 204051, 300075, 340085, 1020255, 1156289, 1700425, 3468867, 5101275, 5781445, 17344335, 28907225, 86721675]

約数ペア:

[(1, 86721675), (3, 28907225), (5, 17344335), (15, 5781445), (17, 5101275), (25, 3468867), (51, 1700425), (75, 1156289), (85, 1020255), (255, 340085), (289, 300075), (425, 204051), (867, 100025), (1275, 68017), (1445, 60015), (4001, 21675), (4335, 20005), (7225, 12003)]