86721375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17789}}^1$

素因数の和:17820

約数の個数: 32

約数和(自身を含む): 155413440

約数和(自身を除く): 68692065

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 17789, 53367, 88945, 231257, 266835, 444725, 693771, 1156285, 1334175, 2223625, 3468855, 5781425, 6670875, 17344275, 28907125, 86721375]

約数ペア:

[(1, 86721375), (3, 28907125), (5, 17344275), (13, 6670875), (15, 5781425), (25, 3468855), (39, 2223625), (65, 1334175), (75, 1156285), (125, 693771), (195, 444725), (325, 266835), (375, 231257), (975, 88945), (1625, 53367), (4875, 17789)]