221574195

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{20431}}^1$

素因数の和:20683

約数の個数: 24

約数和(自身を含む): 385674432

約数和(自身を除く): 164100237

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 2169, 3615, 10845, 20431, 61293, 102155, 183879, 306465, 919395, 4923871, 14771613, 24619355, 44314839, 73858065, 221574195]

約数ペア:

[(1, 221574195), (3, 73858065), (5, 44314839), (9, 24619355), (15, 14771613), (45, 4923871), (241, 919395), (723, 306465), (1205, 183879), (2169, 102155), (3615, 61293), (10845, 20431)]