284080293

素因数分解:

$3^2\times 7^2\times {\mathrm{644173}}^1$

素因数の和:644193

約数の個数: 18

約数和(自身を含む): 477332934

約数和(自身を除く): 193252641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 644173, 1932519, 4509211, 5797557, 13527633, 31564477, 40582899, 94693431, 284080293]

約数ペア:

[(1, 284080293), (3, 94693431), (7, 40582899), (9, 31564477), (21, 13527633), (49, 5797557), (63, 4509211), (147, 1932519), (441, 644173)]