12007401

素因数分解:

$3^1\times 7^4\times {\mathrm{1667}}^1$

素因数の和:1698

約数の個数: 20

約数和(自身を含む): 18688272

約数和(自身を除く): 6680871

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1667, 2401, 5001, 7203, 11669, 35007, 81683, 245049, 571781, 1715343, 4002467, 12007401]

約数ペア:

[(1, 12007401), (3, 4002467), (7, 1715343), (21, 571781), (49, 245049), (147, 81683), (343, 35007), (1029, 11669), (1667, 7203), (2401, 5001)]