251036721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{112927}}^1$

素因数の和:112965

約数の個数: 24

約数和(自身を含む): 411057920

約数和(自身を除く): 160021199

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 112927, 338781, 1016343, 1468051, 2145613, 4404153, 6436839, 13212459, 19310517, 27892969, 83678907, 251036721]

約数ペア:

[(1, 251036721), (3, 83678907), (9, 27892969), (13, 19310517), (19, 13212459), (39, 6436839), (57, 4404153), (117, 2145613), (171, 1468051), (247, 1016343), (741, 338781), (2223, 112927)]