28760265

素因数分解:

$3^5\times 5^1\times {\mathrm{23671}}^1$

素因数の和:23691

約数の個数: 24

約数和(自身を含む): 51699648

約数和(自身を除く): 22939383

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23671, 71013, 118355, 213039, 355065, 639117, 1065195, 1917351, 3195585, 5752053, 9586755, 28760265]

約数ペア:

[(1, 28760265), (3, 9586755), (5, 5752053), (9, 3195585), (15, 1917351), (27, 1065195), (45, 639117), (81, 355065), (135, 213039), (243, 118355), (405, 71013), (1215, 23671)]