81729005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{15121}}^1$

素因数の和:15196

約数の個数: 16

約数和(自身を含む): 104523264

約数和(自身を除く): 22794259

約数列:

[1, 5, 23, 47, 115, 235, 1081, 5405, 15121, 75605, 347783, 710687, 1738915, 3553435, 16345801, 81729005]

約数ペア:

[(1, 81729005), (5, 16345801), (23, 3553435), (47, 1738915), (115, 710687), (235, 347783), (1081, 75605), (5405, 15121)]