211534755

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 344450880

約数和(自身を除く): 132916125

約数列:

[1, 3, 5, 15, 89, 193, 267, 445, 579, 821, 965, 1335, 2463, 2895, 4105, 12315, 17177, 51531, 73069, 85885, 158453, 219207, 257655, 365345, 475359, 792265, 1096035, 2376795, 14102317, 42306951, 70511585, 211534755]

約数ペア:

[(1, 211534755), (3, 70511585), (5, 42306951), (15, 14102317), (89, 2376795), (193, 1096035), (267, 792265), (445, 475359), (579, 365345), (821, 257655), (965, 219207), (1335, 158453), (2463, 85885), (2895, 73069), (4105, 51531), (12315, 17177)]