201911661

素因数分解:

$3^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{6581}}^1$

素因数の和:7081

約数の個数: 24

約数和(自身を含む): 334049664

約数和(自身を除く): 132138003

約数列:

[1, 3, 7, 9, 21, 63, 487, 1461, 3409, 4383, 6581, 10227, 19743, 30681, 46067, 59229, 138201, 414603, 3204947, 9614841, 22434629, 28844523, 67303887, 201911661]

約数ペア:

[(1, 201911661), (3, 67303887), (7, 28844523), (9, 22434629), (21, 9614841), (63, 3204947), (487, 414603), (1461, 138201), (3409, 59229), (4383, 46067), (6581, 30681), (10227, 19743)]