11973321

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 18476640

約数和(自身を除く): 6503319

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 563, 1251, 1689, 2363, 5067, 7089, 9571, 21267, 28713, 78257, 86139, 234771, 704313, 1330369, 3991107, 11973321]

約数ペア:

[(1, 11973321), (3, 3991107), (9, 1330369), (17, 704313), (51, 234771), (139, 86139), (153, 78257), (417, 28713), (563, 21267), (1251, 9571), (1689, 7089), (2363, 5067)]