8188557

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 12227328

約数和(自身を除く): 4038771

約数列:

[1, 3, 13, 31, 39, 93, 169, 403, 507, 521, 1209, 1563, 5239, 6773, 15717, 16151, 20319, 48453, 88049, 209963, 264147, 629889, 2729519, 8188557]

約数ペア:

[(1, 8188557), (3, 2729519), (13, 629889), (31, 264147), (39, 209963), (93, 88049), (169, 48453), (403, 20319), (507, 16151), (521, 15717), (1209, 6773), (1563, 5239)]