28545465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 24676935

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 79, 85, 109, 195, 221, 237, 255, 327, 395, 545, 663, 1027, 1105, 1185, 1343, 1417, 1635, 1853, 3081, 3315, 4029, 4251, 5135, 5559, 6715, 7085, 8611, 9265, 15405, 17459, 20145, 21255, 24089, 25833, 27795, 43055, 52377, 72267, 87295, 111943, 120445, 129165, 146387, 261885, 335829, 361335, 439161, 559715, 731935, 1679145, 1903031, 2195805, 5709093, 9515155, 28545465]

約数ペア:

[(1, 28545465), (3, 9515155), (5, 5709093), (13, 2195805), (15, 1903031), (17, 1679145), (39, 731935), (51, 559715), (65, 439161), (79, 361335), (85, 335829), (109, 261885), (195, 146387), (221, 129165), (237, 120445), (255, 111943), (327, 87295), (395, 72267), (545, 52377), (663, 43055), (1027, 27795), (1105, 25833), (1185, 24089), (1343, 21255), (1417, 20145), (1635, 17459), (1853, 15405), (3081, 9265), (3315, 8611), (4029, 7085), (4251, 6715), (5135, 5559)]