67870439

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:556

約数の個数: 32

約数和(自身を含む): 88166400

約数和(自身を除く): 20295961

約数列:

[1, 7, 13, 31, 49, 91, 217, 343, 403, 491, 637, 1519, 2821, 3437, 4459, 6383, 10633, 15221, 19747, 24059, 44681, 106547, 138229, 168413, 197873, 312767, 745829, 1385111, 2189369, 5220803, 9695777, 67870439]

約数ペア:

[(1, 67870439), (7, 9695777), (13, 5220803), (31, 2189369), (49, 1385111), (91, 745829), (217, 312767), (343, 197873), (403, 168413), (491, 138229), (637, 106547), (1519, 44681), (2821, 24059), (3437, 19747), (4459, 15221), (6383, 10633)]