520157619

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{2087}}^1$

素因数の和:2297

約数の個数: 40

約数和(自身を含む): 827674848

約数和(自身を除く): 307517229

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 181, 459, 543, 1377, 1629, 2087, 3077, 4887, 6261, 9231, 14661, 18783, 27693, 35479, 56349, 83079, 106437, 169047, 249237, 319311, 377747, 957933, 1133241, 2873799, 3399723, 6421699, 10199169, 19265097, 30597507, 57795291, 173385873, 520157619]

約数ペア:

[(1, 520157619), (3, 173385873), (9, 57795291), (17, 30597507), (27, 19265097), (51, 10199169), (81, 6421699), (153, 3399723), (181, 2873799), (459, 1133241), (543, 957933), (1377, 377747), (1629, 319311), (2087, 249237), (3077, 169047), (4887, 106437), (6261, 83079), (9231, 56349), (14661, 35479), (18783, 27693)]