20199327183

素因数分解:

$3^3\times 7^2\times {\mathrm{15267821}}^1$

素因数の和:15267844

約数の個数: 24

約数和(自身を含む): 34810634160

約数和(自身を除く): 14611306977

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15267821, 45803463, 106874747, 137410389, 320624241, 412231167, 748123229, 961872723, 2244369687, 2885618169, 6733109061, 20199327183]

約数ペア:

[(1, 20199327183), (3, 6733109061), (7, 2885618169), (9, 2244369687), (21, 961872723), (27, 748123229), (49, 412231167), (63, 320624241), (147, 137410389), (189, 106874747), (441, 45803463), (1323, 15267821)]