68405685

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{937}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 113820672

約数和(自身を除く): 45414987

約数列:

[1, 3, 5, 15, 31, 93, 155, 157, 465, 471, 785, 937, 2355, 2811, 4685, 4867, 14055, 14601, 24335, 29047, 73005, 87141, 145235, 147109, 435705, 441327, 735545, 2206635, 4560379, 13681137, 22801895, 68405685]

約数ペア:

[(1, 68405685), (3, 22801895), (5, 13681137), (15, 4560379), (31, 2206635), (93, 735545), (155, 441327), (157, 435705), (465, 147109), (471, 145235), (785, 87141), (937, 73005), (2355, 29047), (2811, 24335), (4685, 14601), (4867, 14055)]