80260821

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{72503}}^1$

素因数の和:72553

約数の個数: 16

約数和(自身を含む): 121806720

約数和(自身を除く): 41545899

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 72503, 217509, 652527, 1957581, 2972623, 8917869, 26753607, 80260821]

約数ペア:

[(1, 80260821), (3, 26753607), (9, 8917869), (27, 2972623), (41, 1957581), (123, 652527), (369, 217509), (1107, 72503)]