2626155

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{397}}^1$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 5444640

約数和(自身を除く): 2818485

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 397, 441, 735, 945, 1191, 1323, 1985, 2205, 2779, 3573, 5955, 6615, 8337, 10719, 13895, 17865, 19453, 25011, 41685, 53595, 58359, 75033, 97265, 125055, 175077, 291795, 375165, 525231, 875385, 2626155]

約数ペア:

[(1, 2626155), (3, 875385), (5, 525231), (7, 375165), (9, 291795), (15, 175077), (21, 125055), (27, 97265), (35, 75033), (45, 58359), (49, 53595), (63, 41685), (105, 25011), (135, 19453), (147, 17865), (189, 13895), (245, 10719), (315, 8337), (397, 6615), (441, 5955), (735, 3573), (945, 2779), (1191, 2205), (1323, 1985)]