207615051

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 353523456

約数和(自身を除く): 145908405

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 173, 301, 387, 443, 519, 903, 1211, 1329, 1557, 2709, 3101, 3633, 3987, 7439, 9303, 10899, 19049, 22317, 27909, 52073, 57147, 66951, 76639, 133343, 156219, 171441, 229917, 400029, 468657, 536473, 689751, 1200087, 1609419, 3295477, 4828257, 9886431, 23068339, 29659293, 69205017, 207615051]

約数ペア:

[(1, 207615051), (3, 69205017), (7, 29659293), (9, 23068339), (21, 9886431), (43, 4828257), (63, 3295477), (129, 1609419), (173, 1200087), (301, 689751), (387, 536473), (443, 468657), (519, 400029), (903, 229917), (1211, 171441), (1329, 156219), (1557, 133343), (2709, 76639), (3101, 66951), (3633, 57147), (3987, 52073), (7439, 27909), (9303, 22317), (10899, 19049)]