31126797

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 20765043

約数列:

[1, 3, 9, 13, 23, 39, 43, 69, 117, 129, 207, 269, 299, 387, 559, 807, 897, 989, 1677, 2421, 2691, 2967, 3497, 5031, 6187, 8901, 10491, 11567, 12857, 18561, 31473, 34701, 38571, 55683, 80431, 104103, 115713, 150371, 241293, 266041, 451113, 723879, 798123, 1353339, 2394369, 3458533, 10375599, 31126797]

約数ペア:

[(1, 31126797), (3, 10375599), (9, 3458533), (13, 2394369), (23, 1353339), (39, 798123), (43, 723879), (69, 451113), (117, 266041), (129, 241293), (207, 150371), (269, 115713), (299, 104103), (387, 80431), (559, 55683), (807, 38571), (897, 34701), (989, 31473), (1677, 18561), (2421, 12857), (2691, 11567), (2967, 10491), (3497, 8901), (5031, 6187)]