25662015

素因数分解:

$3^5\times 5^1\times {\mathrm{21121}}^1$

素因数の和:21141

約数の個数: 24

約数和(自身を含む): 46130448

約数和(自身を除く): 20468433

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 21121, 63363, 105605, 190089, 316815, 570267, 950445, 1710801, 2851335, 5132403, 8554005, 25662015]

約数ペア:

[(1, 25662015), (3, 8554005), (5, 5132403), (9, 2851335), (15, 1710801), (27, 950445), (45, 570267), (81, 316815), (135, 190089), (243, 105605), (405, 63363), (1215, 21121)]