31497741

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 56453760

約数和(自身を除く): 24956019

約数列:

[1, 3, 9, 11, 23, 27, 29, 33, 53, 69, 81, 87, 99, 159, 207, 253, 261, 297, 319, 477, 583, 621, 667, 759, 783, 891, 957, 1219, 1431, 1537, 1749, 1863, 2001, 2277, 2349, 2871, 3657, 4293, 4611, 5247, 6003, 6831, 7337, 8613, 10971, 13409, 13833, 15741, 16907, 18009, 20493, 22011, 25839, 32913, 35351, 40227, 41499, 47223, 50721, 54027, 66033, 98739, 106053, 120681, 124497, 152163, 198099, 318159, 362043, 388861, 456489, 594297, 954477, 1086129, 1166583, 1369467, 2863431, 3499749, 10499247, 31497741]

約数ペア:

[(1, 31497741), (3, 10499247), (9, 3499749), (11, 2863431), (23, 1369467), (27, 1166583), (29, 1086129), (33, 954477), (53, 594297), (69, 456489), (81, 388861), (87, 362043), (99, 318159), (159, 198099), (207, 152163), (253, 124497), (261, 120681), (297, 106053), (319, 98739), (477, 66033), (583, 54027), (621, 50721), (667, 47223), (759, 41499), (783, 40227), (891, 35351), (957, 32913), (1219, 25839), (1431, 22011), (1537, 20493), (1749, 18009), (1863, 16907), (2001, 15741), (2277, 13833), (2349, 13409), (2871, 10971), (3657, 8613), (4293, 7337), (4611, 6831), (5247, 6003)]