978889131

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 1710897408

約数和(自身を除く): 732008277

約数列:

[1, 3, 9, 11, 23, 27, 33, 37, 69, 81, 99, 111, 207, 253, 297, 333, 407, 621, 759, 851, 891, 999, 1221, 1291, 1863, 2277, 2553, 2997, 3663, 3873, 6831, 7659, 9361, 10989, 11619, 14201, 20493, 22977, 28083, 29693, 32967, 34857, 42603, 47767, 68931, 84249, 89079, 104571, 127809, 143301, 252747, 267237, 326623, 383427, 429903, 525437, 758241, 801711, 979869, 1098641, 1150281, 1289709, 1576311, 2405133, 2939607, 3295923, 3869127, 4728933, 8818821, 9887769, 12085051, 14186799, 26456463, 29663307, 36255153, 42560397, 88989921, 108765459, 326296377, 978889131]

約数ペア:

[(1, 978889131), (3, 326296377), (9, 108765459), (11, 88989921), (23, 42560397), (27, 36255153), (33, 29663307), (37, 26456463), (69, 14186799), (81, 12085051), (99, 9887769), (111, 8818821), (207, 4728933), (253, 3869127), (297, 3295923), (333, 2939607), (407, 2405133), (621, 1576311), (759, 1289709), (851, 1150281), (891, 1098641), (999, 979869), (1221, 801711), (1291, 758241), (1863, 525437), (2277, 429903), (2553, 383427), (2997, 326623), (3663, 267237), (3873, 252747), (6831, 143301), (7659, 127809), (9361, 104571), (10989, 89079), (11619, 84249), (14201, 68931), (20493, 47767), (22977, 42603), (28083, 34857), (29693, 32967)]