1388970009

素因数分解:

$3^2\times 7^1\times {\mathrm{4021}}^1\times {\mathrm{5483}}^1$

素因数の和:9517

約数の個数: 24

約数和(自身を含む): 2293891392

約数和(自身を除く): 904921383

約数列:

[1, 3, 7, 9, 21, 63, 4021, 5483, 12063, 16449, 28147, 36189, 38381, 49347, 84441, 115143, 253323, 345429, 22047143, 66141429, 154330001, 198424287, 462990003, 1388970009]

約数ペア:

[(1, 1388970009), (3, 462990003), (7, 198424287), (9, 154330001), (21, 66141429), (63, 22047143), (4021, 345429), (5483, 253323), (12063, 115143), (16449, 84441), (28147, 49347), (36189, 38381)]