26807781

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:226

約数の個数: 64

約数和(自身を含む): 49029120

約数和(自身を除く): 22221339

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 77, 79, 91, 113, 143, 231, 237, 273, 339, 429, 553, 791, 869, 1001, 1027, 1243, 1469, 1659, 2373, 2607, 3003, 3081, 3729, 4407, 6083, 7189, 8701, 8927, 10283, 11297, 16159, 18249, 21567, 26103, 26781, 30849, 33891, 48477, 62489, 79079, 98197, 113113, 116051, 187467, 237237, 294591, 339339, 348153, 687379, 812357, 1276561, 2062137, 2437071, 3829683, 8935927, 26807781]

約数ペア:

[(1, 26807781), (3, 8935927), (7, 3829683), (11, 2437071), (13, 2062137), (21, 1276561), (33, 812357), (39, 687379), (77, 348153), (79, 339339), (91, 294591), (113, 237237), (143, 187467), (231, 116051), (237, 113113), (273, 98197), (339, 79079), (429, 62489), (553, 48477), (791, 33891), (869, 30849), (1001, 26781), (1027, 26103), (1243, 21567), (1469, 18249), (1659, 16159), (2373, 11297), (2607, 10283), (3003, 8927), (3081, 8701), (3729, 7189), (4407, 6083)]