87220965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 161554176

約数和(自身を除く): 74333211

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 83, 85, 195, 221, 249, 255, 317, 415, 663, 951, 1079, 1105, 1245, 1411, 1585, 3237, 3315, 4121, 4233, 4755, 5389, 5395, 7055, 12363, 16167, 16185, 18343, 20605, 21165, 26311, 26945, 55029, 61815, 70057, 78933, 80835, 91715, 131555, 210171, 275145, 342043, 350285, 394665, 447287, 1026129, 1050855, 1341861, 1710215, 2236435, 5130645, 5814731, 6709305, 17444193, 29073655, 87220965]

約数ペア:

[(1, 87220965), (3, 29073655), (5, 17444193), (13, 6709305), (15, 5814731), (17, 5130645), (39, 2236435), (51, 1710215), (65, 1341861), (83, 1050855), (85, 1026129), (195, 447287), (221, 394665), (249, 350285), (255, 342043), (317, 275145), (415, 210171), (663, 131555), (951, 91715), (1079, 80835), (1105, 78933), (1245, 70057), (1411, 61815), (1585, 55029), (3237, 26945), (3315, 26311), (4121, 21165), (4233, 20605), (4755, 18343), (5389, 16185), (5395, 16167), (7055, 12363)]