68878173

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 121856000

約数和(自身を除く): 52977827

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 91, 133, 147, 247, 271, 273, 343, 399, 637, 741, 813, 931, 1029, 1729, 1897, 1911, 2793, 3523, 4459, 5149, 5187, 5691, 6517, 10569, 12103, 13279, 13377, 15447, 19551, 24661, 36043, 36309, 39837, 66937, 73983, 84721, 92953, 108129, 172627, 200811, 252301, 254163, 278859, 468559, 517881, 756903, 1208389, 1405677, 1766107, 3279913, 3625167, 5298321, 9839739, 22959391, 68878173]

約数ペア:

[(1, 68878173), (3, 22959391), (7, 9839739), (13, 5298321), (19, 3625167), (21, 3279913), (39, 1766107), (49, 1405677), (57, 1208389), (91, 756903), (133, 517881), (147, 468559), (247, 278859), (271, 254163), (273, 252301), (343, 200811), (399, 172627), (637, 108129), (741, 92953), (813, 84721), (931, 73983), (1029, 66937), (1729, 39837), (1897, 36309), (1911, 36043), (2793, 24661), (3523, 19551), (4459, 15447), (5149, 13377), (5187, 13279), (5691, 12103), (6517, 10569)]