81510155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 109771200

約数和(自身を除く): 28261045

約数列:

[1, 5, 17, 29, 43, 85, 145, 215, 493, 731, 769, 1247, 2465, 3655, 3845, 6235, 13073, 21199, 22301, 33067, 65365, 105995, 111505, 165335, 379117, 562139, 958943, 1895585, 2810695, 4794715, 16302031, 81510155]

約数ペア:

[(1, 81510155), (5, 16302031), (17, 4794715), (29, 2810695), (43, 1895585), (85, 958943), (145, 562139), (215, 379117), (493, 165335), (731, 111505), (769, 105995), (1247, 65365), (2465, 33067), (3655, 22301), (3845, 21199), (6235, 13073)]