78847119

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{51839}}^1$

素因数の和:51871

約数の個数: 18

約数和(自身を含む): 123327360

約数和(自身を除く): 44480241

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 51839, 155517, 466551, 673907, 2021721, 6065163, 8760791, 26282373, 78847119]

約数ペア:

[(1, 78847119), (3, 26282373), (9, 8760791), (13, 6065163), (39, 2021721), (117, 673907), (169, 466551), (507, 155517), (1521, 51839)]