28228797

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{347}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 44098560

約数和(自身を除く): 15869763

約数列:

[1, 3, 9, 23, 27, 69, 131, 207, 347, 393, 621, 1041, 1179, 3013, 3123, 3537, 7981, 9039, 9369, 23943, 27117, 45457, 71829, 81351, 136371, 215487, 409113, 1045511, 1227339, 3136533, 9409599, 28228797]

約数ペア:

[(1, 28228797), (3, 9409599), (9, 3136533), (23, 1227339), (27, 1045511), (69, 409113), (131, 215487), (207, 136371), (347, 81351), (393, 71829), (621, 45457), (1041, 27117), (1179, 23943), (3013, 9369), (3123, 9039), (3537, 7981)]