201332721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 290188800

約数和(自身を除く): 88856079

約数列:

[1, 3, 19, 57, 59, 131, 177, 393, 457, 1121, 1371, 2489, 3363, 7467, 7729, 8683, 23187, 26049, 26963, 59867, 80889, 146851, 179601, 440553, 512297, 1137473, 1536891, 3412419, 3532153, 10596459, 67110907, 201332721]

約数ペア:

[(1, 201332721), (3, 67110907), (19, 10596459), (57, 3532153), (59, 3412419), (131, 1536891), (177, 1137473), (393, 512297), (457, 440553), (1121, 179601), (1371, 146851), (2489, 80889), (3363, 59867), (7467, 26963), (7729, 26049), (8683, 23187)]