1297539

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:288

約数の個数: 20

約数和(自身を含む): 1971816

約数和(自身を除く): 674277

約数列:

[1, 3, 9, 27, 81, 83, 193, 249, 579, 747, 1737, 2241, 5211, 6723, 15633, 16019, 48057, 144171, 432513, 1297539]

約数ペア:

[(1, 1297539), (3, 432513), (9, 144171), (27, 48057), (81, 16019), (83, 15633), (193, 6723), (249, 5211), (579, 2241), (747, 1737)]