287789481

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{709}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 505065600

約数和(自身を除く): 217276119

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 379, 709, 1071, 1137, 2127, 2653, 3411, 4963, 6381, 6443, 7959, 12053, 14889, 19329, 23877, 36159, 44667, 45101, 57987, 84371, 108477, 135303, 253113, 268711, 405909, 759339, 806133, 1880977, 2418399, 4568087, 5642931, 13704261, 16928793, 31976609, 41112783, 95929827, 287789481]

約数ペア:

[(1, 287789481), (3, 95929827), (7, 41112783), (9, 31976609), (17, 16928793), (21, 13704261), (51, 5642931), (63, 4568087), (119, 2418399), (153, 1880977), (357, 806133), (379, 759339), (709, 405909), (1071, 268711), (1137, 253113), (2127, 135303), (2653, 108477), (3411, 84371), (4963, 57987), (6381, 45101), (6443, 44667), (7959, 36159), (12053, 23877), (14889, 19329)]