128420091

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:436

約数の個数: 48

約数和(自身を含む): 205882560

約数和(自身を除く): 77462469

約数列:

[1, 3, 9, 17, 29, 51, 87, 103, 153, 261, 281, 309, 493, 843, 927, 1479, 1751, 2529, 2987, 4437, 4777, 5253, 8149, 8961, 14331, 15759, 24447, 26883, 28943, 42993, 50779, 73341, 86829, 138533, 152337, 260487, 415599, 457011, 492031, 839347, 1246797, 1476093, 2518041, 4428279, 7554123, 14268899, 42806697, 128420091]

約数ペア:

[(1, 128420091), (3, 42806697), (9, 14268899), (17, 7554123), (29, 4428279), (51, 2518041), (87, 1476093), (103, 1246797), (153, 839347), (261, 492031), (281, 457011), (309, 415599), (493, 260487), (843, 152337), (927, 138533), (1479, 86829), (1751, 73341), (2529, 50779), (2987, 42993), (4437, 28943), (4777, 26883), (5253, 24447), (8149, 15759), (8961, 14331)]