785655

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 1572480

約数和(自身を除く): 786825

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 79, 85, 117, 153, 195, 221, 237, 255, 395, 585, 663, 711, 765, 1027, 1105, 1185, 1343, 1989, 3081, 3315, 3555, 4029, 5135, 6715, 9243, 9945, 12087, 15405, 17459, 20145, 46215, 52377, 60435, 87295, 157131, 261885, 785655]

約数ペア:

[(1, 785655), (3, 261885), (5, 157131), (9, 87295), (13, 60435), (15, 52377), (17, 46215), (39, 20145), (45, 17459), (51, 15405), (65, 12087), (79, 9945), (85, 9243), (117, 6715), (153, 5135), (195, 4029), (221, 3555), (237, 3315), (255, 3081), (395, 1989), (585, 1343), (663, 1185), (711, 1105), (765, 1027)]