191403

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:168

約数の個数: 20

約数和(自身を含む): 304920

約数和(自身を除く): 113517

約数列:

[1, 3, 9, 17, 27, 51, 81, 139, 153, 417, 459, 1251, 1377, 2363, 3753, 7089, 11259, 21267, 63801, 191403]

約数ペア:

[(1, 191403), (3, 63801), (9, 21267), (17, 11259), (27, 7089), (51, 3753), (81, 2363), (139, 1377), (153, 1251), (417, 459)]