28238769

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12703}}^1$

素因数の和:12741

約数の個数: 24

約数和(自身を含む): 46242560

約数和(自身を除く): 18003791

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12703, 38109, 114327, 165139, 241357, 495417, 724071, 1486251, 2172213, 3137641, 9412923, 28238769]

約数ペア:

[(1, 28238769), (3, 9412923), (9, 3137641), (13, 2172213), (19, 1486251), (39, 724071), (57, 495417), (117, 241357), (171, 165139), (247, 114327), (741, 38109), (2223, 12703)]