749981997

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{117203}}^1$

素因数の和:117294

約数の個数: 20

約数和(自身を含む): 1134534720

約数和(自身を除く): 384552723

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 117203, 351609, 1054827, 3164481, 9259037, 9493443, 27777111, 83331333, 249993999, 749981997]

約数ペア:

[(1, 749981997), (3, 249993999), (9, 83331333), (27, 27777111), (79, 9493443), (81, 9259037), (237, 3164481), (711, 1054827), (2133, 351609), (6399, 117203)]