26787663

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 49795200

約数和(自身を除く): 23007537

約数列:

[1, 3, 7, 9, 19, 21, 23, 49, 57, 63, 69, 133, 139, 147, 161, 171, 207, 399, 417, 437, 441, 483, 931, 973, 1127, 1197, 1251, 1311, 1449, 2641, 2793, 2919, 3059, 3197, 3381, 3933, 6811, 7923, 8379, 8757, 9177, 9591, 10143, 18487, 20433, 21413, 22379, 23769, 27531, 28773, 55461, 60743, 61299, 64239, 67137, 129409, 156653, 166383, 182229, 192717, 201411, 388227, 425201, 469959, 546687, 1164681, 1275603, 1409877, 2976407, 3826809, 8929221, 26787663]

約数ペア:

[(1, 26787663), (3, 8929221), (7, 3826809), (9, 2976407), (19, 1409877), (21, 1275603), (23, 1164681), (49, 546687), (57, 469959), (63, 425201), (69, 388227), (133, 201411), (139, 192717), (147, 182229), (161, 166383), (171, 156653), (207, 129409), (399, 67137), (417, 64239), (437, 61299), (441, 60743), (483, 55461), (931, 28773), (973, 27531), (1127, 23769), (1197, 22379), (1251, 21413), (1311, 20433), (1449, 18487), (2641, 10143), (2793, 9591), (2919, 9177), (3059, 8757), (3197, 8379), (3381, 7923), (3933, 6811)]