1519641

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:342

約数の個数: 20

約数和(自身を含む): 2310132

約数和(自身を除く): 790491

約数列:

[1, 3, 9, 27, 73, 81, 219, 257, 657, 771, 1971, 2313, 5913, 6939, 18761, 20817, 56283, 168849, 506547, 1519641]

約数ペア:

[(1, 1519641), (3, 506547), (9, 168849), (27, 56283), (73, 20817), (81, 18761), (219, 6939), (257, 5913), (657, 2313), (771, 1971)]