90231855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 179404800

約数和(自身を除く): 89172945

約数列:

[1, 3, 5, 7, 15, 19, 21, 31, 35, 57, 93, 95, 105, 133, 155, 217, 285, 399, 465, 589, 651, 665, 1085, 1459, 1767, 1995, 2945, 3255, 4123, 4377, 7295, 8835, 10213, 12369, 20615, 21885, 27721, 30639, 45229, 51065, 61845, 83163, 135687, 138605, 153195, 194047, 226145, 316603, 415815, 582141, 678435, 859351, 949809, 970235, 1583015, 2578053, 2910705, 4296755, 4749045, 6015457, 12890265, 18046371, 30077285, 90231855]

約数ペア:

[(1, 90231855), (3, 30077285), (5, 18046371), (7, 12890265), (15, 6015457), (19, 4749045), (21, 4296755), (31, 2910705), (35, 2578053), (57, 1583015), (93, 970235), (95, 949809), (105, 859351), (133, 678435), (155, 582141), (217, 415815), (285, 316603), (399, 226145), (465, 194047), (589, 153195), (651, 138605), (665, 135687), (1085, 83163), (1459, 61845), (1767, 51065), (1995, 45229), (2945, 30639), (3255, 27721), (4123, 21885), (4377, 20615), (7295, 12369), (8835, 10213)]