20151585

素因数分解:

$3^4\times 5^1\times {\mathrm{49757}}^1$

素因数の和:49774

約数の個数: 20

約数和(自身を含む): 36124308

約数和(自身を除く): 15972723

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49757, 149271, 248785, 447813, 746355, 1343439, 2239065, 4030317, 6717195, 20151585]

約数ペア:

[(1, 20151585), (3, 6717195), (5, 4030317), (9, 2239065), (15, 1343439), (27, 746355), (45, 447813), (81, 248785), (135, 149271), (405, 49757)]