28641717

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1069}}^1$

素因数の和:1317

約数の個数: 24

約数和(自身を含む): 44790200

約数和(自身を除く): 16148483

約数列:

[1, 3, 9, 13, 39, 117, 229, 687, 1069, 2061, 2977, 3207, 8931, 9621, 13897, 26793, 41691, 125073, 244801, 734403, 2203209, 3182413, 9547239, 28641717]

約数ペア:

[(1, 28641717), (3, 9547239), (9, 3182413), (13, 2203209), (39, 734403), (117, 244801), (229, 125073), (687, 41691), (1069, 26793), (2061, 13897), (2977, 9621), (3207, 8931)]