40198347

素因数分解:

$3^2\times 7^1\times {\mathrm{587}}^1\times {\mathrm{1087}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 66533376

約数和(自身を除く): 26335029

約数列:

[1, 3, 7, 9, 21, 63, 587, 1087, 1761, 3261, 4109, 5283, 7609, 9783, 12327, 22827, 36981, 68481, 638069, 1914207, 4466483, 5742621, 13399449, 40198347]

約数ペア:

[(1, 40198347), (3, 13399449), (7, 5742621), (9, 4466483), (21, 1914207), (63, 638069), (587, 68481), (1087, 36981), (1761, 22827), (3261, 12327), (4109, 9783), (5283, 7609)]