28234269

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{6689}}^1$

素因数の和:6769

約数の個数: 24

約数和(自身を含む): 47311680

約数和(自身を除く): 19077411

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 6689, 20067, 46823, 60201, 140469, 421407, 448163, 1344489, 3137141, 4033467, 9411423, 28234269]

約数ペア:

[(1, 28234269), (3, 9411423), (7, 4033467), (9, 3137141), (21, 1344489), (63, 448163), (67, 421407), (201, 140469), (469, 60201), (603, 46823), (1407, 20067), (4221, 6689)]