1218663

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 1867008

約数和(自身を除く): 648345

約数列:

[1, 3, 9, 43, 47, 67, 129, 141, 201, 387, 423, 603, 2021, 2881, 3149, 6063, 8643, 9447, 18189, 25929, 28341, 135407, 406221, 1218663]

約数ペア:

[(1, 1218663), (3, 406221), (9, 135407), (43, 28341), (47, 25929), (67, 18189), (129, 9447), (141, 8643), (201, 6063), (387, 3149), (423, 2881), (603, 2021)]