31311147

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6871}}^1$

素因数の和:6919

約数の個数: 24

約数和(自身を含む): 50138112

約数和(自身を除く): 18826965

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 6871, 20613, 48097, 144291, 213001, 336679, 639003, 1010037, 1491007, 4473021, 10437049, 31311147]

約数ペア:

[(1, 31311147), (3, 10437049), (7, 4473021), (21, 1491007), (31, 1010037), (49, 639003), (93, 336679), (147, 213001), (217, 144291), (651, 48097), (1519, 20613), (4557, 6871)]