1996407

素因数分解:

$3^4\times 7^2\times {\mathrm{503}}^1$

素因数の和:529

約数の個数: 30

約数和(自身を含む): 3476088

約数和(自身を除く): 1479681

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 503, 567, 1323, 1509, 3521, 3969, 4527, 10563, 13581, 24647, 31689, 40743, 73941, 95067, 221823, 285201, 665469, 1996407]

約数ペア:

[(1, 1996407), (3, 665469), (7, 285201), (9, 221823), (21, 95067), (27, 73941), (49, 40743), (63, 31689), (81, 24647), (147, 13581), (189, 10563), (441, 4527), (503, 3969), (567, 3521), (1323, 1509)]