8289281

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^3$

素因数の和:71

約数の個数: 32

約数和(自身を含む): 11424000

約数和(自身を除く): 3134719

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 169, 343, 539, 637, 1001, 1183, 1859, 2197, 3773, 4459, 7007, 8281, 13013, 15379, 24167, 49049, 57967, 91091, 107653, 169169, 637637, 753571, 1184183, 8289281]

約数ペア:

[(1, 8289281), (7, 1184183), (11, 753571), (13, 637637), (49, 169169), (77, 107653), (91, 91091), (143, 57967), (169, 49049), (343, 24167), (539, 15379), (637, 13013), (1001, 8281), (1183, 7007), (1859, 4459), (2197, 3773)]