688023

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:243

約数の個数: 24

約数和(自身を含む): 1159808

約数和(自身を除く): 471785

約数列:

[1, 3, 7, 9, 21, 63, 67, 163, 201, 469, 489, 603, 1141, 1407, 1467, 3423, 4221, 10269, 10921, 32763, 76447, 98289, 229341, 688023]

約数ペア:

[(1, 688023), (3, 229341), (7, 98289), (9, 76447), (21, 32763), (63, 10921), (67, 10269), (163, 4221), (201, 3423), (469, 1467), (489, 1407), (603, 1141)]