90975825

素因数分解:

$3^3\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2615

約数の個数: 48

約数和(自身を含む): 170346240

約数和(自身を除く): 79370415

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 135, 159, 225, 265, 477, 675, 795, 1325, 1431, 2385, 2543, 3975, 7155, 7629, 11925, 12715, 22887, 35775, 38145, 63575, 68661, 114435, 134779, 190725, 343305, 404337, 572175, 673895, 1213011, 1716525, 2021685, 3369475, 3639033, 6065055, 10108425, 18195165, 30325275, 90975825]

約数ペア:

[(1, 90975825), (3, 30325275), (5, 18195165), (9, 10108425), (15, 6065055), (25, 3639033), (27, 3369475), (45, 2021685), (53, 1716525), (75, 1213011), (135, 673895), (159, 572175), (225, 404337), (265, 343305), (477, 190725), (675, 134779), (795, 114435), (1325, 68661), (1431, 63575), (2385, 38145), (2543, 35775), (3975, 22887), (7155, 12715), (7629, 11925)]