278702721

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{938393}}^1$

素因数の和:938413

約数の個数: 16

約数和(自身を含む): 450429120

約数和(自身を除く): 171726399

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 938393, 2815179, 8445537, 10322323, 25336611, 30966969, 92900907, 278702721]

約数ペア:

[(1, 278702721), (3, 92900907), (9, 30966969), (11, 25336611), (27, 10322323), (33, 8445537), (99, 2815179), (297, 938393)]