875385

素因数分解:

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

素因数の和:422

約数の個数: 36

約数和(自身を含む): 1769508

約数和(自身を除く): 894123

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 397, 441, 735, 1191, 1985, 2205, 2779, 3573, 5955, 8337, 13895, 17865, 19453, 25011, 41685, 58359, 97265, 125055, 175077, 291795, 875385]

約数ペア:

[(1, 875385), (3, 291795), (5, 175077), (7, 125055), (9, 97265), (15, 58359), (21, 41685), (35, 25011), (45, 19453), (49, 17865), (63, 13895), (105, 8337), (147, 5955), (245, 3573), (315, 2779), (397, 2205), (441, 1985), (735, 1191)]