31491081

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{683}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 46949760

約数和(自身を除く): 15458679

約数列:

[1, 3, 9, 47, 109, 141, 327, 423, 683, 981, 2049, 5123, 6147, 15369, 32101, 46107, 74447, 96303, 223341, 288909, 670023, 3499009, 10497027, 31491081]

約数ペア:

[(1, 31491081), (3, 10497027), (9, 3499009), (47, 670023), (109, 288909), (141, 223341), (327, 96303), (423, 74447), (683, 46107), (981, 32101), (2049, 15369), (5123, 6147)]