11974221

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2677}}^1$

素因数の和:2761

約数の個数: 24

約数和(自身を含む): 20052864

約数和(自身を除く): 8078643

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 2677, 4473, 8031, 18739, 24093, 56217, 168651, 190067, 570201, 1330469, 1710603, 3991407, 11974221]

約数ペア:

[(1, 11974221), (3, 3991407), (7, 1710603), (9, 1330469), (21, 570201), (63, 190067), (71, 168651), (213, 56217), (497, 24093), (639, 18739), (1491, 8031), (2677, 4473)]