12747195

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 24654240

約数和(自身を除く): 11907045

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 877, 969, 1615, 2631, 2907, 4385, 4845, 7893, 13155, 14535, 14909, 16663, 39465, 44727, 49989, 74545, 83315, 134181, 149967, 223635, 249945, 283271, 670905, 749835, 849813, 1416355, 2549439, 4249065, 12747195]

約数ペア:

[(1, 12747195), (3, 4249065), (5, 2549439), (9, 1416355), (15, 849813), (17, 749835), (19, 670905), (45, 283271), (51, 249945), (57, 223635), (85, 149967), (95, 134181), (153, 83315), (171, 74545), (255, 49989), (285, 44727), (323, 39465), (765, 16663), (855, 14909), (877, 14535), (969, 13155), (1615, 7893), (2631, 4845), (2907, 4385)]