851890431

素因数分解:

$3^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{15131}}^1$

素因数の和:15531

約数の個数: 24

約数和(自身を含む): 1324836864

約数和(自身を除く): 472946433

約数列:

[1, 3, 7, 21, 49, 147, 383, 1149, 2681, 8043, 15131, 18767, 45393, 56301, 105917, 317751, 741419, 2224257, 5795173, 17385519, 40566211, 121698633, 283963477, 851890431]

約数ペア:

[(1, 851890431), (3, 283963477), (7, 121698633), (21, 40566211), (49, 17385519), (147, 5795173), (383, 2224257), (1149, 741419), (2681, 317751), (8043, 105917), (15131, 56301), (18767, 45393)]