67561209

素因数分解:

$3^4\times {\mathrm{859}}^1\times {\mathrm{971}}^1$

素因数の和:1842

約数の個数: 20

約数和(自身を含む): 101146320

約数和(自身を除く): 33585111

約数列:

[1, 3, 9, 27, 81, 859, 971, 2577, 2913, 7731, 8739, 23193, 26217, 69579, 78651, 834089, 2502267, 7506801, 22520403, 67561209]

約数ペア:

[(1, 67561209), (3, 22520403), (9, 7506801), (27, 2502267), (81, 834089), (859, 78651), (971, 69579), (2577, 26217), (2913, 23193), (7731, 8739)]