201457905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71821}}^1$

素因数の和:71857

約数の個数: 32

約数和(自身を含む): 372325248

約数和(自身を除く): 170867343

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 71821, 215463, 359105, 790031, 1077315, 1220957, 2370093, 3662871, 3950155, 6104785, 11850465, 13430527, 18314355, 40291581, 67152635, 201457905]

約数ペア:

[(1, 201457905), (3, 67152635), (5, 40291581), (11, 18314355), (15, 13430527), (17, 11850465), (33, 6104785), (51, 3950155), (55, 3662871), (85, 2370093), (165, 1220957), (187, 1077315), (255, 790031), (561, 359105), (935, 215463), (2805, 71821)]