28336191

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 42517440

約数和(自身を除く): 14181249

約数列:

[1, 3, 13, 37, 39, 73, 111, 219, 269, 481, 807, 949, 1443, 2701, 2847, 3497, 8103, 9953, 10491, 19637, 29859, 35113, 58911, 105339, 129389, 255281, 388167, 726569, 765843, 2179707, 9445397, 28336191]

約数ペア:

[(1, 28336191), (3, 9445397), (13, 2179707), (37, 765843), (39, 726569), (73, 388167), (111, 255281), (219, 129389), (269, 105339), (481, 58911), (807, 35113), (949, 29859), (1443, 19637), (2701, 10491), (2847, 9953), (3497, 8103)]