7774221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28477}}^1$

素因数の和:28500

約数の個数: 16

約数和(自身を含む): 12758144

約数和(自身を除く): 4983923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 28477, 85431, 199339, 370201, 598017, 1110603, 2591407, 7774221]

約数ペア:

[(1, 7774221), (3, 2591407), (7, 1110603), (13, 598017), (21, 370201), (39, 199339), (91, 85431), (273, 28477)]