51990741

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 91998720

約数和(自身を除く): 40007979

約数列:

[1, 3, 9, 11, 23, 27, 33, 43, 59, 69, 81, 99, 129, 177, 207, 253, 297, 387, 473, 531, 621, 649, 759, 891, 989, 1161, 1357, 1419, 1593, 1863, 1947, 2277, 2537, 2967, 3483, 4071, 4257, 4779, 5841, 6831, 7611, 8901, 10879, 12213, 12771, 14927, 17523, 20493, 22833, 26703, 27907, 32637, 36639, 38313, 44781, 52569, 58351, 68499, 80109, 83721, 97911, 109917, 134343, 175053, 205497, 251163, 293733, 403029, 525159, 641861, 753489, 881199, 1209087, 1575477, 1925583, 2260467, 4726431, 5776749, 17330247, 51990741]

約数ペア:

[(1, 51990741), (3, 17330247), (9, 5776749), (11, 4726431), (23, 2260467), (27, 1925583), (33, 1575477), (43, 1209087), (59, 881199), (69, 753489), (81, 641861), (99, 525159), (129, 403029), (177, 293733), (207, 251163), (253, 205497), (297, 175053), (387, 134343), (473, 109917), (531, 97911), (621, 83721), (649, 80109), (759, 68499), (891, 58351), (989, 52569), (1161, 44781), (1357, 38313), (1419, 36639), (1593, 32637), (1863, 27907), (1947, 26703), (2277, 22833), (2537, 20493), (2967, 17523), (3483, 14927), (4071, 12771), (4257, 12213), (4779, 10879), (5841, 8901), (6831, 7611)]