64731375

素因数分解:

$3^2\times 5^3\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 117737568

約数和(自身を除く): 53006193

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 163, 225, 353, 375, 489, 815, 1059, 1125, 1467, 1765, 2445, 3177, 4075, 5295, 7335, 8825, 12225, 15885, 20375, 26475, 36675, 44125, 57539, 61125, 79425, 132375, 172617, 183375, 287695, 397125, 517851, 863085, 1438475, 2589255, 4315425, 7192375, 12946275, 21577125, 64731375]

約数ペア:

[(1, 64731375), (3, 21577125), (5, 12946275), (9, 7192375), (15, 4315425), (25, 2589255), (45, 1438475), (75, 863085), (125, 517851), (163, 397125), (225, 287695), (353, 183375), (375, 172617), (489, 132375), (815, 79425), (1059, 61125), (1125, 57539), (1467, 44125), (1765, 36675), (2445, 26475), (3177, 20375), (4075, 15885), (5295, 12225), (7335, 8825)]