28679391

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{14419}}^1$

素因数の和:14455

約数の個数: 24

約数和(自身を含む): 47239920

約数和(自身を除く): 18560529

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 14419, 43257, 129771, 187447, 245123, 562341, 735369, 1687023, 2206107, 3186599, 9559797, 28679391]

約数ペア:

[(1, 28679391), (3, 9559797), (9, 3186599), (13, 2206107), (17, 1687023), (39, 735369), (51, 562341), (117, 245123), (153, 187447), (221, 129771), (663, 43257), (1989, 14419)]