201640011

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:811

約数の個数: 32

約数和(自身を含む): 289916928

約数和(自身を除く): 88276917

約数列:

[1, 3, 23, 47, 69, 97, 141, 291, 641, 1081, 1923, 2231, 3243, 4559, 6693, 13677, 14743, 30127, 44229, 62177, 90381, 104857, 186531, 314571, 692921, 1430071, 2078763, 2922319, 4290213, 8766957, 67213337, 201640011]

約数ペア:

[(1, 201640011), (3, 67213337), (23, 8766957), (47, 4290213), (69, 2922319), (97, 2078763), (141, 1430071), (291, 692921), (641, 314571), (1081, 186531), (1923, 104857), (2231, 90381), (3243, 62177), (4559, 44229), (6693, 30127), (13677, 14743)]