8251875

素因数分解:

$3^4\times 5^4\times {\mathrm{163}}^1$

素因数の和:195

約数の個数: 50

約数和(自身を含む): 15498164

約数和(自身を除く): 7246289

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 163, 225, 375, 405, 489, 625, 675, 815, 1125, 1467, 1875, 2025, 2445, 3375, 4075, 4401, 5625, 7335, 10125, 12225, 13203, 16875, 20375, 22005, 36675, 50625, 61125, 66015, 101875, 110025, 183375, 305625, 330075, 550125, 916875, 1650375, 2750625, 8251875]

約数ペア:

[(1, 8251875), (3, 2750625), (5, 1650375), (9, 916875), (15, 550125), (25, 330075), (27, 305625), (45, 183375), (75, 110025), (81, 101875), (125, 66015), (135, 61125), (163, 50625), (225, 36675), (375, 22005), (405, 20375), (489, 16875), (625, 13203), (675, 12225), (815, 10125), (1125, 7335), (1467, 5625), (1875, 4401), (2025, 4075), (2445, 3375)]