26720847

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{4519}}^1$

素因数の和:4604

約数の個数: 20

約数和(自身を含む): 40472080

約数和(自身を除く): 13751233

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 4519, 5913, 13557, 40671, 122013, 329887, 366039, 989661, 2968983, 8906949, 26720847]

約数ペア:

[(1, 26720847), (3, 8906949), (9, 2968983), (27, 989661), (73, 366039), (81, 329887), (219, 122013), (657, 40671), (1971, 13557), (4519, 5913)]