66943653

素因数分解:

$3^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{971}}^1$

素因数の和:1062

約数の個数: 32

約数和(自身を含む): 105753600

約数和(自身を除く): 38809947

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 343, 469, 971, 1029, 1407, 2913, 3283, 6797, 9849, 20391, 22981, 47579, 65057, 68943, 142737, 195171, 333053, 455399, 999159, 1366197, 3187793, 9563379, 22314551, 66943653]

約数ペア:

[(1, 66943653), (3, 22314551), (7, 9563379), (21, 3187793), (49, 1366197), (67, 999159), (147, 455399), (201, 333053), (343, 195171), (469, 142737), (971, 68943), (1029, 65057), (1407, 47579), (2913, 22981), (3283, 20391), (6797, 9849)]