31196955

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 57231360

約数和(自身を除く): 26034405

約数列:

[1, 3, 5, 15, 17, 19, 47, 51, 57, 85, 95, 137, 141, 235, 255, 285, 323, 411, 685, 705, 799, 893, 969, 1615, 2055, 2329, 2397, 2603, 2679, 3995, 4465, 4845, 6439, 6987, 7809, 11645, 11985, 13015, 13395, 15181, 19317, 32195, 34935, 39045, 44251, 45543, 75905, 96585, 109463, 122341, 132753, 221255, 227715, 328389, 367023, 547315, 611705, 663765, 1641945, 1835115, 2079797, 6239391, 10398985, 31196955]

約数ペア:

[(1, 31196955), (3, 10398985), (5, 6239391), (15, 2079797), (17, 1835115), (19, 1641945), (47, 663765), (51, 611705), (57, 547315), (85, 367023), (95, 328389), (137, 227715), (141, 221255), (235, 132753), (255, 122341), (285, 109463), (323, 96585), (411, 75905), (685, 45543), (705, 44251), (799, 39045), (893, 34935), (969, 32195), (1615, 19317), (2055, 15181), (2329, 13395), (2397, 13015), (2603, 11985), (2679, 11645), (3995, 7809), (4465, 6987), (4845, 6439)]