40805541

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{13781}}^1$

素因数の和:13841

約数の個数: 24

約数和(自身を含む): 68799744

約数和(自身を除く): 27994203

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 13781, 41343, 96467, 124029, 289401, 647707, 868203, 1943121, 4533949, 5829363, 13601847, 40805541]

約数ペア:

[(1, 40805541), (3, 13601847), (7, 5829363), (9, 4533949), (21, 1943121), (47, 868203), (63, 647707), (141, 289401), (329, 124029), (423, 96467), (987, 41343), (2961, 13781)]