403793991

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{19861}}^1$

素因数の和:20124

約数の個数: 20

約数和(自身を含む): 605632104

約数和(自身を除く): 201838113

約数列:

[1, 3, 9, 27, 81, 251, 753, 2259, 6777, 19861, 20331, 59583, 178749, 536247, 1608741, 4985111, 14955333, 44865999, 134597997, 403793991]

約数ペア:

[(1, 403793991), (3, 134597997), (9, 44865999), (27, 14955333), (81, 4985111), (251, 1608741), (753, 536247), (2259, 178749), (6777, 59583), (19861, 20331)]