356428989

素因数分解:

$3^2\times 7^2\times {\mathrm{808229}}^1$

素因数の和:808249

約数の個数: 18

約数和(自身を含む): 598898430

約数和(自身を除く): 242469441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 808229, 2424687, 5657603, 7274061, 16972809, 39603221, 50918427, 118809663, 356428989]

約数ペア:

[(1, 356428989), (3, 118809663), (7, 50918427), (9, 39603221), (21, 16972809), (49, 7274061), (63, 5657603), (147, 2424687), (441, 808229)]