40159233

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7066

約数の個数: 20

約数和(自身を含む): 60844608

約数和(自身を除く): 20685375

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 6983, 20949, 62847, 188541, 495793, 565623, 1487379, 4462137, 13386411, 40159233]

約数ペア:

[(1, 40159233), (3, 13386411), (9, 4462137), (27, 1487379), (71, 565623), (81, 495793), (213, 188541), (639, 62847), (1917, 20949), (5751, 6983)]