80686287

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{661}}^1$

素因数の和:821

約数の個数: 40

約数和(自身を含む): 132648912

約数和(自身を除く): 51962625

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 137, 297, 411, 661, 891, 1233, 1507, 1983, 3699, 4521, 5949, 7271, 11097, 13563, 17847, 21813, 40689, 53541, 65439, 90557, 122067, 196317, 271671, 588951, 815013, 996127, 2445039, 2988381, 7335117, 8965143, 26895429, 80686287]

約数ペア:

[(1, 80686287), (3, 26895429), (9, 8965143), (11, 7335117), (27, 2988381), (33, 2445039), (81, 996127), (99, 815013), (137, 588951), (297, 271671), (411, 196317), (661, 122067), (891, 90557), (1233, 65439), (1507, 53541), (1983, 40689), (3699, 21813), (4521, 17847), (5949, 13563), (7271, 11097)]