77071905

素因数分解:

$3^4\times 5^1\times {\mathrm{190301}}^1$

素因数の和:190318

約数の個数: 20

約数和(自身を含む): 138159252

約数和(自身を除く): 61087347

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 190301, 570903, 951505, 1712709, 2854515, 5138127, 8563545, 15414381, 25690635, 77071905]

約数ペア:

[(1, 77071905), (3, 25690635), (5, 15414381), (9, 8563545), (15, 5138127), (27, 2854515), (45, 1712709), (81, 951505), (135, 570903), (405, 190301)]