28220805

素因数分解:

$3^5\times 5^1\times {\mathrm{23227}}^1$

素因数の和:23247

約数の個数: 24

約数和(自身を含む): 50729952

約数和(自身を除く): 22509147

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23227, 69681, 116135, 209043, 348405, 627129, 1045215, 1881387, 3135645, 5644161, 9406935, 28220805]

約数ペア:

[(1, 28220805), (3, 9406935), (5, 5644161), (9, 3135645), (15, 1881387), (27, 1045215), (45, 627129), (81, 348405), (135, 209043), (243, 116135), (405, 69681), (1215, 23227)]