201801987

素因数分解:

$3^2\times {\mathrm{151}}^1\times {\mathrm{163}}^1\times {\mathrm{911}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 295546368

約数和(自身を除く): 93744381

約数列:

[1, 3, 9, 151, 163, 453, 489, 911, 1359, 1467, 2733, 8199, 24613, 73839, 137561, 148493, 221517, 412683, 445479, 1238049, 1336437, 22422443, 67267329, 201801987]

約数ペア:

[(1, 201801987), (3, 67267329), (9, 22422443), (151, 1336437), (163, 1238049), (453, 445479), (489, 412683), (911, 221517), (1359, 148493), (1467, 137561), (2733, 73839), (8199, 24613)]