19710945

素因数分解:

$3^5\times 5^1\times {\mathrm{16223}}^1$

素因数の和:16243

約数の個数: 24

約数和(自身を含む): 35433216

約数和(自身を除く): 15722271

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 16223, 48669, 81115, 146007, 243345, 438021, 730035, 1314063, 2190105, 3942189, 6570315, 19710945]

約数ペア:

[(1, 19710945), (3, 6570315), (5, 3942189), (9, 2190105), (15, 1314063), (27, 730035), (45, 438021), (81, 243345), (135, 146007), (243, 81115), (405, 48669), (1215, 16223)]