297907281

素因数分解:

$3^3\times 7^1\times {\mathrm{1576229}}^1$

素因数の和:1576245

約数の個数: 16

約数和(自身を含む): 504393600

約数和(自身を除く): 206486319

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1576229, 4728687, 11033603, 14186061, 33100809, 42558183, 99302427, 297907281]

約数ペア:

[(1, 297907281), (3, 99302427), (7, 42558183), (9, 33100809), (21, 14186061), (27, 11033603), (63, 4728687), (189, 1576229)]