25531011

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 44236800

約数和(自身を除く): 18705789

約数列:

[1, 3, 9, 11, 27, 31, 33, 47, 59, 93, 99, 141, 177, 279, 297, 341, 423, 517, 531, 649, 837, 1023, 1269, 1457, 1551, 1593, 1829, 1947, 2773, 3069, 4371, 4653, 5487, 5841, 8319, 9207, 13113, 13959, 16027, 16461, 17523, 20119, 24957, 30503, 39339, 48081, 49383, 60357, 74871, 85963, 91509, 144243, 181071, 257889, 274527, 432729, 543213, 773667, 823581, 945593, 2321001, 2836779, 8510337, 25531011]

約数ペア:

[(1, 25531011), (3, 8510337), (9, 2836779), (11, 2321001), (27, 945593), (31, 823581), (33, 773667), (47, 543213), (59, 432729), (93, 274527), (99, 257889), (141, 181071), (177, 144243), (279, 91509), (297, 85963), (341, 74871), (423, 60357), (517, 49383), (531, 48081), (649, 39339), (837, 30503), (1023, 24957), (1269, 20119), (1457, 17523), (1551, 16461), (1593, 16027), (1829, 13959), (1947, 13113), (2773, 9207), (3069, 8319), (4371, 5841), (4653, 5487)]