81663375

素因数分解:

$3^1\times 5^3\times {\mathrm{59}}^1\times {\mathrm{3691}}^1$

素因数の和:3768

約数の個数: 32

約数和(自身を含む): 138228480

約数和(自身を除く): 56565105

約数列:

[1, 3, 5, 15, 25, 59, 75, 125, 177, 295, 375, 885, 1475, 3691, 4425, 7375, 11073, 18455, 22125, 55365, 92275, 217769, 276825, 461375, 653307, 1088845, 1384125, 3266535, 5444225, 16332675, 27221125, 81663375]

約数ペア:

[(1, 81663375), (3, 27221125), (5, 16332675), (15, 5444225), (25, 3266535), (59, 1384125), (75, 1088845), (125, 653307), (177, 461375), (295, 276825), (375, 217769), (885, 92275), (1475, 55365), (3691, 22125), (4425, 18455), (7375, 11073)]