289062513

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{50263}}^1$

素因数の和:50346

約数の個数: 20

約数和(自身を含む): 437899968

約数和(自身を除く): 148837455

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 50263, 150789, 452367, 1357101, 3568673, 4071303, 10706019, 32118057, 96354171, 289062513]

約数ペア:

[(1, 289062513), (3, 96354171), (9, 32118057), (27, 10706019), (71, 4071303), (81, 3568673), (213, 1357101), (639, 452367), (1917, 150789), (5751, 50263)]