408069819

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{296347}}^1$

素因数の和:296376

約数の個数: 20

約数和(自身を含む): 645445944

約数和(自身を除く): 237376125

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 296347, 889041, 2667123, 5037899, 8001369, 15113697, 24004107, 45341091, 136023273, 408069819]

約数ペア:

[(1, 408069819), (3, 136023273), (9, 45341091), (17, 24004107), (27, 15113697), (51, 8001369), (81, 5037899), (153, 2667123), (459, 889041), (1377, 296347)]