11993265

素因数分解:

$3^5\times 5^1\times {\mathrm{9871}}^1$

素因数の和:9891

約数の個数: 24

約数和(自身を含む): 21560448

約数和(自身を除く): 9567183

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 9871, 29613, 49355, 88839, 148065, 266517, 444195, 799551, 1332585, 2398653, 3997755, 11993265]

約数ペア:

[(1, 11993265), (3, 3997755), (5, 2398653), (9, 1332585), (15, 799551), (27, 444195), (45, 266517), (81, 148065), (135, 88839), (243, 49355), (405, 29613), (1215, 9871)]