42855885

素因数分解:

$3^4\times 5^1\times {\mathrm{105817}}^1$

素因数の和:105834

約数の個数: 20

約数和(自身を含む): 76823868

約数和(自身を除く): 33967983

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 105817, 317451, 529085, 952353, 1587255, 2857059, 4761765, 8571177, 14285295, 42855885]

約数ペア:

[(1, 42855885), (3, 14285295), (5, 8571177), (9, 4761765), (15, 2857059), (27, 1587255), (45, 952353), (81, 529085), (135, 317451), (405, 105817)]