201357121

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 251136000

約数和(自身を除く): 49778879

約数列:

[1, 7, 29, 31, 49, 203, 217, 343, 653, 899, 1421, 1519, 4571, 6293, 9947, 10633, 18937, 20243, 31997, 44051, 132559, 141701, 223979, 308357, 587047, 927913, 991907, 4109329, 6495391, 6943349, 28765303, 201357121]

約数ペア:

[(1, 201357121), (7, 28765303), (29, 6943349), (31, 6495391), (49, 4109329), (203, 991907), (217, 927913), (343, 587047), (653, 308357), (899, 223979), (1421, 141701), (1519, 132559), (4571, 44051), (6293, 31997), (9947, 20243), (10633, 18937)]