40211721

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{45131}}^1$

素因数の和:45154

約数の個数: 20

約数和(自身を含む): 65531664

約数和(自身を除く): 25319943

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 45131, 135393, 406179, 496441, 1218537, 1489323, 3655611, 4467969, 13403907, 40211721]

約数ペア:

[(1, 40211721), (3, 13403907), (9, 4467969), (11, 3655611), (27, 1489323), (33, 1218537), (81, 496441), (99, 406179), (297, 135393), (891, 45131)]