27640561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:792

約数の個数: 16

約数和(自身を含む): 31062528

約数和(自身を除く): 3421967

約数列:

[1, 13, 31, 107, 403, 641, 1391, 3317, 8333, 19871, 43121, 68587, 258323, 891631, 2126197, 27640561]

約数ペア:

[(1, 27640561), (13, 2126197), (31, 891631), (107, 258323), (403, 68587), (641, 43121), (1391, 19871), (3317, 8333)]