15615945

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 29062800

約数和(自身を除く): 13446855

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 137, 149, 153, 255, 411, 447, 685, 745, 765, 1233, 1341, 2055, 2235, 2329, 2533, 6165, 6705, 6987, 7599, 11645, 12665, 20413, 20961, 22797, 34935, 37995, 61239, 102065, 104805, 113985, 183717, 306195, 347021, 918585, 1041063, 1735105, 3123189, 5205315, 15615945]

約数ペア:

[(1, 15615945), (3, 5205315), (5, 3123189), (9, 1735105), (15, 1041063), (17, 918585), (45, 347021), (51, 306195), (85, 183717), (137, 113985), (149, 104805), (153, 102065), (255, 61239), (411, 37995), (447, 34935), (685, 22797), (745, 20961), (765, 20413), (1233, 12665), (1341, 11645), (2055, 7599), (2235, 6987), (2329, 6705), (2533, 6165)]