40017213

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 61094400

約数和(自身を除く): 21077187

約数列:

[1, 3, 9, 27, 73, 79, 219, 237, 257, 657, 711, 771, 1971, 2133, 2313, 5767, 6939, 17301, 18761, 20303, 51903, 56283, 60909, 155709, 168849, 182727, 506547, 548181, 1482119, 4446357, 13339071, 40017213]

約数ペア:

[(1, 40017213), (3, 13339071), (9, 4446357), (27, 1482119), (73, 548181), (79, 506547), (219, 182727), (237, 168849), (257, 155709), (657, 60909), (711, 56283), (771, 51903), (1971, 20303), (2133, 18761), (2313, 17301), (5767, 6939)]