26857089

素因数分解:

$3^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:321

約数の個数: 56

約数和(自身を含む): 48616640

約数和(自身を除く): 21759551

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 277, 399, 513, 567, 729, 831, 1197, 1539, 1701, 1939, 2493, 3591, 4617, 5103, 5263, 5817, 7479, 10773, 13851, 15789, 17451, 22437, 32319, 36841, 47367, 52353, 67311, 96957, 110523, 142101, 157059, 201933, 331569, 426303, 471177, 994707, 1278909, 1413531, 2984121, 3836727, 8952363, 26857089]

約数ペア:

[(1, 26857089), (3, 8952363), (7, 3836727), (9, 2984121), (19, 1413531), (21, 1278909), (27, 994707), (57, 471177), (63, 426303), (81, 331569), (133, 201933), (171, 157059), (189, 142101), (243, 110523), (277, 96957), (399, 67311), (513, 52353), (567, 47367), (729, 36841), (831, 32319), (1197, 22437), (1539, 17451), (1701, 15789), (1939, 13851), (2493, 10773), (3591, 7479), (4617, 5817), (5103, 5263)]