12987597

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1667}}^1$

素因数の和:1737

約数の個数: 24

約数和(自身を含む): 20536416

約数和(自身を除く): 7548819

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 1667, 2597, 5001, 7791, 11669, 35007, 81683, 88351, 245049, 265053, 618457, 1855371, 4329199, 12987597]

約数ペア:

[(1, 12987597), (3, 4329199), (7, 1855371), (21, 618457), (49, 265053), (53, 245049), (147, 88351), (159, 81683), (371, 35007), (1113, 11669), (1667, 7791), (2597, 5001)]