27840631

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1553}}^1$

素因数の和:1770

約数の個数: 16

約数和(自身を含む): 34461504

約数和(自身を除く): 6620873

約数列:

[1, 7, 13, 91, 197, 1379, 1553, 2561, 10871, 17927, 20189, 141323, 305941, 2141587, 3977233, 27840631]

約数ペア:

[(1, 27840631), (7, 3977233), (13, 2141587), (91, 305941), (197, 141323), (1379, 20189), (1553, 17927), (2561, 10871)]