40745709

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{12541}}^1$

素因数の和:12585

約数の個数: 18

約数和(自身を含む): 62120526

約数和(自身を除く): 21374817

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 12541, 37623, 112869, 238279, 714837, 2144511, 4527301, 13581903, 40745709]

約数ペア:

[(1, 40745709), (3, 13581903), (9, 4527301), (19, 2144511), (57, 714837), (171, 238279), (361, 112869), (1083, 37623), (3249, 12541)]