12727221

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{1931}}^1$

素因数の和:1973

約数の個数: 16

約数和(自身を含む): 18392640

約数和(自身を除く): 5665419

約数列:

[1, 3, 13, 39, 169, 507, 1931, 2197, 5793, 6591, 25103, 75309, 326339, 979017, 4242407, 12727221]

約数ペア:

[(1, 12727221), (3, 4242407), (13, 979017), (39, 326339), (169, 75309), (507, 25103), (1931, 6591), (2197, 5793)]