331314529

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{40009}}^1$

素因数の和:40049

約数の個数: 18

約数和(自身を含む): 417344310

約数和(自身を除く): 86029781

約数列:

[1, 7, 13, 49, 91, 169, 637, 1183, 8281, 40009, 280063, 520117, 1960441, 3640819, 6761521, 25485733, 47330647, 331314529]

約数ペア:

[(1, 331314529), (7, 47330647), (13, 25485733), (49, 6761521), (91, 3640819), (169, 1960441), (637, 520117), (1183, 280063), (8281, 40009)]