1639231749

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{6577}}^1$

素因数の和:6787

約数の個数: 40

約数和(自身を含む): 2607492888

約数和(自身を除く): 968261139

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 181, 459, 543, 1377, 1629, 3077, 4887, 6577, 9231, 14661, 19731, 27693, 59193, 83079, 111809, 177579, 249237, 335427, 532737, 1006281, 1190437, 3018843, 3571311, 9056529, 10713933, 20237429, 32141799, 60712287, 96425397, 182136861, 546410583, 1639231749]

約数ペア:

[(1, 1639231749), (3, 546410583), (9, 182136861), (17, 96425397), (27, 60712287), (51, 32141799), (81, 20237429), (153, 10713933), (181, 9056529), (459, 3571311), (543, 3018843), (1377, 1190437), (1629, 1006281), (3077, 532737), (4887, 335427), (6577, 249237), (9231, 177579), (14661, 111809), (19731, 83079), (27693, 59193)]