26857467

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 51932160

約数和(自身を除く): 25074693

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 91, 117, 119, 153, 189, 221, 273, 351, 357, 459, 643, 663, 819, 1071, 1547, 1929, 1989, 2457, 3213, 4501, 4641, 5787, 5967, 8359, 10931, 13503, 13923, 17361, 25077, 32793, 40509, 41769, 58513, 75231, 76517, 98379, 121527, 142103, 175539, 225693, 229551, 295137, 426309, 526617, 688653, 994721, 1278927, 1579851, 2065959, 2984163, 3836781, 8952489, 26857467]

約数ペア:

[(1, 26857467), (3, 8952489), (7, 3836781), (9, 2984163), (13, 2065959), (17, 1579851), (21, 1278927), (27, 994721), (39, 688653), (51, 526617), (63, 426309), (91, 295137), (117, 229551), (119, 225693), (153, 175539), (189, 142103), (221, 121527), (273, 98379), (351, 76517), (357, 75231), (459, 58513), (643, 41769), (663, 40509), (819, 32793), (1071, 25077), (1547, 17361), (1929, 13923), (1989, 13503), (2457, 10931), (3213, 8359), (4501, 5967), (4641, 5787)]