1391934699

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{904441}}^1$

素因数の和:904472

約数の個数: 20

約数和(自身を含む): 2188749640

約数和(自身を除く): 796814941

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 904441, 2713323, 8139969, 17184379, 24419907, 51553137, 73259721, 154659411, 463978233, 1391934699]

約数ペア:

[(1, 1391934699), (3, 463978233), (9, 154659411), (19, 73259721), (27, 51553137), (57, 24419907), (81, 17184379), (171, 8139969), (513, 2713323), (1539, 904441)]