30971563

素因数分解:

$7^1\times {\mathrm{139}}^2\times {\mathrm{229}}^1$

素因数の和:514

約数の個数: 12

約数和(自身を含む): 35808240

約数和(自身を除く): 4836677

約数列:

[1, 7, 139, 229, 973, 1603, 19321, 31831, 135247, 222817, 4424509, 30971563]

約数ペア:

[(1, 30971563), (7, 4424509), (139, 222817), (229, 135247), (973, 31831), (1603, 19321)]