201782847

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{1009}}^1$

素因数の和:1215

約数の個数: 32

約数和(自身を含む): 314150400

約数和(自身を除く): 112367553

約数列:

[1, 3, 7, 21, 89, 107, 267, 321, 623, 749, 1009, 1869, 2247, 3027, 7063, 9523, 21189, 28569, 66661, 89801, 107963, 199983, 269403, 323889, 628607, 755741, 1885821, 2267223, 9608707, 28826121, 67260949, 201782847]

約数ペア:

[(1, 201782847), (3, 67260949), (7, 28826121), (21, 9608707), (89, 2267223), (107, 1885821), (267, 755741), (321, 628607), (623, 323889), (749, 269403), (1009, 199983), (1869, 107963), (2247, 89801), (3027, 66661), (7063, 28569), (9523, 21189)]