328287

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:218

約数の個数: 16

約数和(自身を含む): 477792

約数和(自身を除く): 149505

約数列:

[1, 3, 17, 41, 51, 123, 157, 471, 697, 2091, 2669, 6437, 8007, 19311, 109429, 328287]

約数ペア:

[(1, 328287), (3, 109429), (17, 19311), (41, 8007), (51, 6437), (123, 2669), (157, 2091), (471, 697)]