28468665

素因数分解:

$3^5\times 5^1\times {\mathrm{23431}}^1$

素因数の和:23451

約数の個数: 24

約数和(自身を含む): 51175488

約数和(自身を除く): 22706823

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23431, 70293, 117155, 210879, 351465, 632637, 1054395, 1897911, 3163185, 5693733, 9489555, 28468665]

約数ペア:

[(1, 28468665), (3, 9489555), (5, 5693733), (9, 3163185), (15, 1897911), (27, 1054395), (45, 632637), (81, 351465), (135, 210879), (243, 117155), (405, 70293), (1215, 23431)]