68293155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20981}}^1$

素因数の和:21027

約数の個数: 32

約数和(自身を含む): 128913408

約数和(自身を除く): 60620253

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 20981, 62943, 104905, 146867, 314715, 440601, 650411, 734335, 1951233, 2203005, 3252055, 4552877, 9756165, 13658631, 22764385, 68293155]

約数ペア:

[(1, 68293155), (3, 22764385), (5, 13658631), (7, 9756165), (15, 4552877), (21, 3252055), (31, 2203005), (35, 1951233), (93, 734335), (105, 650411), (155, 440601), (217, 314715), (465, 146867), (651, 104905), (1085, 62943), (3255, 20981)]