81407919

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{6553}}^1$

素因数の和:6698

約数の個数: 16

約数和(自身を含む): 112309344

約数和(自身を除く): 30901425

約数列:

[1, 3, 41, 101, 123, 303, 4141, 6553, 12423, 19659, 268673, 661853, 806019, 1985559, 27135973, 81407919]

約数ペア:

[(1, 81407919), (3, 27135973), (41, 1985559), (101, 806019), (123, 661853), (303, 268673), (4141, 19659), (6553, 12423)]