17256421

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:565

約数の個数: 24

約数和(自身を含む): 22135680

約数和(自身を除く): 4879259

約数列:

[1, 7, 13, 29, 91, 169, 203, 377, 503, 1183, 2639, 3521, 4901, 6539, 14587, 34307, 45773, 85007, 102109, 189631, 595049, 1327417, 2465203, 17256421]

約数ペア:

[(1, 17256421), (7, 2465203), (13, 1327417), (29, 595049), (91, 189631), (169, 102109), (203, 85007), (377, 45773), (503, 34307), (1183, 14587), (2639, 6539), (3521, 4901)]