17949897

素因数分解:

$3^3\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1301}}^1$

素因数の和:1390

約数の個数: 32

約数和(自身を含む): 30831360

約数和(自身を除く): 12881463

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 189, 219, 511, 657, 1301, 1533, 1971, 3903, 4599, 9107, 11709, 13797, 27321, 35127, 81963, 94973, 245889, 284919, 664811, 854757, 1994433, 2564271, 5983299, 17949897]

約数ペア:

[(1, 17949897), (3, 5983299), (7, 2564271), (9, 1994433), (21, 854757), (27, 664811), (63, 284919), (73, 245889), (189, 94973), (219, 81963), (511, 35127), (657, 27321), (1301, 13797), (1533, 11709), (1971, 9107), (3903, 4599)]