15398721

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2309}}^1$

素因数の和:2350

約数の個数: 32

約数和(自身を含む): 25872000

約数和(自身を除く): 10473279

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 2309, 6669, 6927, 20781, 30017, 43871, 62343, 90051, 131613, 270153, 394839, 570323, 810459, 1184517, 1710969, 5132907, 15398721]

約数ペア:

[(1, 15398721), (3, 5132907), (9, 1710969), (13, 1184517), (19, 810459), (27, 570323), (39, 394839), (57, 270153), (117, 131613), (171, 90051), (247, 62343), (351, 43871), (513, 30017), (741, 20781), (2223, 6927), (2309, 6669)]