67840857

素因数分解:

$3^2\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1109}}^1$

素因数の和:2093

約数の個数: 24

約数和(自身を含む): 112207680

約数和(自身を除く): 44366823

約数列:

[1, 3, 7, 9, 21, 63, 971, 1109, 2913, 3327, 6797, 7763, 8739, 9981, 20391, 23289, 61173, 69867, 1076839, 3230517, 7537873, 9691551, 22613619, 67840857]

約数ペア:

[(1, 67840857), (3, 22613619), (7, 9691551), (9, 7537873), (21, 3230517), (63, 1076839), (971, 69867), (1109, 61173), (2913, 23289), (3327, 20391), (6797, 9981), (7763, 8739)]