12711209

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3083}}^1$

素因数の和:3140

約数の個数: 16

約数和(自身を含む): 15790080

約数和(自身を除く): 3078871

約数列:

[1, 7, 19, 31, 133, 217, 589, 3083, 4123, 21581, 58577, 95573, 410039, 669011, 1815887, 12711209]

約数ペア:

[(1, 12711209), (7, 1815887), (19, 669011), (31, 410039), (133, 95573), (217, 58577), (589, 21581), (3083, 4123)]