31221585

素因数分解:

$3^3\times 5^1\times {\mathrm{231271}}^1$

素因数の和:231285

約数の個数: 16

約数和(自身を含む): 55505280

約数和(自身を除く): 24283695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 231271, 693813, 1156355, 2081439, 3469065, 6244317, 10407195, 31221585]

約数ペア:

[(1, 31221585), (3, 10407195), (5, 6244317), (9, 3469065), (15, 2081439), (27, 1156355), (45, 693813), (135, 231271)]