51257043

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:329

約数の個数: 40

約数和(自身を含む): 80150400

約数和(自身を除く): 28893357

約数列:

[1, 3, 9, 27, 31, 81, 93, 137, 149, 279, 411, 447, 837, 1233, 1341, 2511, 3699, 4023, 4247, 4619, 11097, 12069, 12741, 13857, 20413, 38223, 41571, 61239, 114669, 124713, 183717, 344007, 374139, 551151, 632803, 1653453, 1898409, 5695227, 17085681, 51257043]

約数ペア:

[(1, 51257043), (3, 17085681), (9, 5695227), (27, 1898409), (31, 1653453), (81, 632803), (93, 551151), (137, 374139), (149, 344007), (279, 183717), (411, 124713), (447, 114669), (837, 61239), (1233, 41571), (1341, 38223), (2511, 20413), (3699, 13857), (4023, 12741), (4247, 12069), (4619, 11097)]