40990293

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{3863}}^1$

素因数の和:4006

約数の個数: 20

約数和(自身を含む): 61715808

約数和(自身を除く): 20725515

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 3863, 10611, 11589, 34767, 104301, 312903, 506053, 1518159, 4554477, 13663431, 40990293]

約数ペア:

[(1, 40990293), (3, 13663431), (9, 4554477), (27, 1518159), (81, 506053), (131, 312903), (393, 104301), (1179, 34767), (3537, 11589), (3863, 10611)]