247044987

素因数分解:

$3^2\times 7^1\times {\mathrm{373}}^1\times {\mathrm{10513}}^1$

素因数の和:10899

約数の個数: 24

約数和(自身を含む): 408952544

約数和(自身を除く): 161907557

約数列:

[1, 3, 7, 9, 21, 63, 373, 1119, 2611, 3357, 7833, 10513, 23499, 31539, 73591, 94617, 220773, 662319, 3921349, 11764047, 27449443, 35292141, 82348329, 247044987]

約数ペア:

[(1, 247044987), (3, 82348329), (7, 35292141), (9, 27449443), (21, 11764047), (63, 3921349), (373, 662319), (1119, 220773), (2611, 94617), (3357, 73591), (7833, 31539), (10513, 23499)]