220854963

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{47161}}^1$

素因数の和:47394

約数の個数: 16

約数和(自身を含む): 338057216

約数和(自身を除く): 117202253

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 47161, 141483, 330127, 990381, 10516903, 31550709, 73618321, 220854963]

約数ペア:

[(1, 220854963), (3, 73618321), (7, 31550709), (21, 10516903), (223, 990381), (669, 330127), (1561, 141483), (4683, 47161)]