61681905

素因数分解:

$3^5\times 5^1\times {\mathrm{50767}}^1$

素因数の和:50787

約数の個数: 24

約数和(自身を含む): 110877312

約数和(自身を除く): 49195407

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 50767, 152301, 253835, 456903, 761505, 1370709, 2284515, 4112127, 6853545, 12336381, 20560635, 61681905]

約数ペア:

[(1, 61681905), (3, 20560635), (5, 12336381), (9, 6853545), (15, 4112127), (27, 2284515), (45, 1370709), (81, 761505), (135, 456903), (243, 253835), (405, 152301), (1215, 50767)]