28406457

素因数分解:

$3^5\times {\mathrm{29}}^2\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 36

約数和(自身を含む): 44386160

約数和(自身を除く): 15979703

約数列:

[1, 3, 9, 27, 29, 81, 87, 139, 243, 261, 417, 783, 841, 1251, 2349, 2523, 3753, 4031, 7047, 7569, 11259, 12093, 22707, 33777, 36279, 68121, 108837, 116899, 204363, 326511, 350697, 979533, 1052091, 3156273, 9468819, 28406457]

約数ペア:

[(1, 28406457), (3, 9468819), (9, 3156273), (27, 1052091), (29, 979533), (81, 350697), (87, 326511), (139, 204363), (243, 116899), (261, 108837), (417, 68121), (783, 36279), (841, 33777), (1251, 22707), (2349, 12093), (2523, 11259), (3753, 7569), (4031, 7047)]