81202849

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{18211}}^1$

素因数の和:18245

約数の個数: 16

約数和(自身を含む): 101987200

約数和(自身を除く): 20784351

約数列:

[1, 7, 13, 49, 91, 343, 637, 4459, 18211, 127477, 236743, 892339, 1657201, 6246373, 11600407, 81202849]

約数ペア:

[(1, 81202849), (7, 11600407), (13, 6246373), (49, 1657201), (91, 892339), (343, 236743), (637, 127477), (4459, 18211)]