81999159

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1\times {\mathrm{569}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 120689520

約数和(自身を除く): 38690361

約数列:

[1, 3, 11, 33, 121, 363, 397, 569, 1191, 1707, 4367, 6259, 13101, 18777, 48037, 68849, 144111, 206547, 225893, 677679, 2484823, 7454469, 27333053, 81999159]

約数ペア:

[(1, 81999159), (3, 27333053), (11, 7454469), (33, 2484823), (121, 677679), (363, 225893), (397, 206547), (569, 144111), (1191, 68849), (1707, 48037), (4367, 18777), (6259, 13101)]