28431297

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{2377}}^1$

素因数の和:2829

約数の個数: 16

約数和(自身を含む): 42233280

約数和(自身を除く): 13801983

約数列:

[1, 3, 9, 27, 443, 1329, 2377, 3987, 7131, 11961, 21393, 64179, 1053011, 3159033, 9477099, 28431297]

約数ペア:

[(1, 28431297), (3, 9477099), (9, 3159033), (27, 1053011), (443, 64179), (1329, 21393), (2377, 11961), (3987, 7131)]