201211689

素因数分解:

$3^1\times 7^3\times {\mathrm{195541}}^1$

素因数の和:195565

約数の個数: 16

約数和(自身を含む): 312867200

約数和(自身を除く): 111655511

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 195541, 586623, 1368787, 4106361, 9581509, 28744527, 67070563, 201211689]

約数ペア:

[(1, 201211689), (3, 67070563), (7, 28744527), (21, 9581509), (49, 4106361), (147, 1368787), (343, 586623), (1029, 195541)]