400798647

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{877}}^1$

素因数の和:1032

約数の個数: 48

約数和(自身を含む): 641010240

約数和(自身を除く): 240211593

約数列:

[1, 3, 9, 17, 29, 51, 87, 103, 153, 261, 309, 493, 877, 927, 1479, 1751, 2631, 2987, 4437, 5253, 7893, 8961, 14909, 15759, 25433, 26883, 44727, 50779, 76299, 90331, 134181, 152337, 228897, 270993, 432361, 457011, 812979, 1297083, 1535627, 2619599, 3891249, 4606881, 7858797, 13820643, 23576391, 44533183, 133599549, 400798647]

約数ペア:

[(1, 400798647), (3, 133599549), (9, 44533183), (17, 23576391), (29, 13820643), (51, 7858797), (87, 4606881), (103, 3891249), (153, 2619599), (261, 1535627), (309, 1297083), (493, 812979), (877, 457011), (927, 432361), (1479, 270993), (1751, 228897), (2631, 152337), (2987, 134181), (4437, 90331), (5253, 76299), (7893, 50779), (8961, 44727), (14909, 26883), (15759, 25433)]