12921270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{430709}}^1$

素因数の和:430719

約数の個数: 16

約数和(自身を含む): 31011120

約数和(自身を除く): 18089850

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 430709, 861418, 1292127, 2153545, 2584254, 4307090, 6460635, 12921270]

約数ペア:

[(1, 12921270), (2, 6460635), (3, 4307090), (5, 2584254), (6, 2153545), (10, 1292127), (15, 861418), (30, 430709)]