40348287

素因数分解:

$3^4\times 7^1\times {\mathrm{71161}}^1$

素因数の和:71180

約数の個数: 20

約数和(自身を含む): 68884816

約数和(自身を除く): 28536529

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 71161, 213483, 498127, 640449, 1494381, 1921347, 4483143, 5764041, 13449429, 40348287]

約数ペア:

[(1, 40348287), (3, 13449429), (7, 5764041), (9, 4483143), (21, 1921347), (27, 1494381), (63, 640449), (81, 498127), (189, 213483), (567, 71161)]