82080165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{787}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 139570560

約数和(自身を除く): 57490395

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 409, 787, 1227, 2045, 2361, 3935, 6135, 6953, 11805, 13379, 20859, 34765, 40137, 66895, 104295, 200685, 321883, 965649, 1609415, 4828245, 5472011, 16416033, 27360055, 82080165]

約数ペア:

[(1, 82080165), (3, 27360055), (5, 16416033), (15, 5472011), (17, 4828245), (51, 1609415), (85, 965649), (255, 321883), (409, 200685), (787, 104295), (1227, 66895), (2045, 40137), (2361, 34765), (3935, 20859), (6135, 13379), (6953, 11805)]