123744105

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2037

約数の個数: 56

約数和(自身を含む): 235851912

約数和(自身を除く): 112107807

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 405, 459, 729, 765, 1215, 1377, 1997, 2295, 3645, 4131, 5991, 6885, 9985, 12393, 17973, 20655, 29955, 33949, 53919, 61965, 89865, 101847, 161757, 169745, 269595, 305541, 485271, 509235, 808785, 916623, 1455813, 1527705, 2426355, 2749869, 4583115, 7279065, 8249607, 13749345, 24748821, 41248035, 123744105]

約数ペア:

[(1, 123744105), (3, 41248035), (5, 24748821), (9, 13749345), (15, 8249607), (17, 7279065), (27, 4583115), (45, 2749869), (51, 2426355), (81, 1527705), (85, 1455813), (135, 916623), (153, 808785), (243, 509235), (255, 485271), (405, 305541), (459, 269595), (729, 169745), (765, 161757), (1215, 101847), (1377, 89865), (1997, 61965), (2295, 53919), (3645, 33949), (4131, 29955), (5991, 20655), (6885, 17973), (9985, 12393)]