90156381

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{40123}}^1$

素因数の和:40240

約数の個数: 16

約数和(自身を含む): 138668544

約数和(自身を除く): 48512163

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 40123, 120369, 280861, 842583, 4293161, 12879483, 30052127, 90156381]

約数ペア:

[(1, 90156381), (3, 30052127), (7, 12879483), (21, 4293161), (107, 842583), (321, 280861), (749, 120369), (2247, 40123)]