80583255

素因数分解:

$3^4\times 5^1\times {\mathrm{198971}}^1$

素因数の和:198988

約数の個数: 20

約数和(自身を含む): 144453672

約数和(自身を除く): 63870417

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 198971, 596913, 994855, 1790739, 2984565, 5372217, 8953695, 16116651, 26861085, 80583255]

約数ペア:

[(1, 80583255), (3, 26861085), (5, 16116651), (9, 8953695), (15, 5372217), (27, 2984565), (45, 1790739), (81, 994855), (135, 596913), (405, 198971)]