2491875

素因数分解:

$3^2\times 5^4\times {\mathrm{443}}^1$

素因数の和:469

約数の個数: 30

約数和(自身を含む): 4507932

約数和(自身を除く): 2016057

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 443, 625, 1125, 1329, 1875, 2215, 3987, 5625, 6645, 11075, 19935, 33225, 55375, 99675, 166125, 276875, 498375, 830625, 2491875]

約数ペア:

[(1, 2491875), (3, 830625), (5, 498375), (9, 276875), (15, 166125), (25, 99675), (45, 55375), (75, 33225), (125, 19935), (225, 11075), (375, 6645), (443, 5625), (625, 3987), (1125, 2215), (1329, 1875)]