201885201

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{20411}}^1$

素因数の和:20581

約数の個数: 24

約数和(自身を含む): 335409984

約数和(自身を除く): 133524783

約数列:

[1, 3, 7, 9, 21, 63, 157, 471, 1099, 1413, 3297, 9891, 20411, 61233, 142877, 183699, 428631, 1285893, 3204527, 9613581, 22431689, 28840743, 67295067, 201885201]

約数ペア:

[(1, 201885201), (3, 67295067), (7, 28840743), (9, 22431689), (21, 9613581), (63, 3204527), (157, 1285893), (471, 428631), (1099, 183699), (1413, 142877), (3297, 61233), (9891, 20411)]