31074519

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4099}}^1$

素因数の和:4147

約数の個数: 24

約数和(自身を含む): 49987200

約数和(自身を除く): 18912681

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 4099, 7581, 12297, 28693, 77881, 86079, 233643, 545167, 1479739, 1635501, 4439217, 10358173, 31074519]

約数ペア:

[(1, 31074519), (3, 10358173), (7, 4439217), (19, 1635501), (21, 1479739), (57, 545167), (133, 233643), (361, 86079), (399, 77881), (1083, 28693), (2527, 12297), (4099, 7581)]