28817091

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 19705149

約数列:

[1, 3, 9, 17, 19, 23, 51, 57, 69, 153, 171, 207, 323, 391, 431, 437, 969, 1173, 1293, 1311, 2907, 3519, 3879, 3933, 7327, 7429, 8189, 9913, 21981, 22287, 24567, 29739, 65943, 66861, 73701, 89217, 139213, 168521, 188347, 417639, 505563, 565041, 1252917, 1516689, 1695123, 3201899, 9605697, 28817091]

約数ペア:

[(1, 28817091), (3, 9605697), (9, 3201899), (17, 1695123), (19, 1516689), (23, 1252917), (51, 565041), (57, 505563), (69, 417639), (153, 188347), (171, 168521), (207, 139213), (323, 89217), (391, 73701), (431, 66861), (437, 65943), (969, 29739), (1173, 24567), (1293, 22287), (1311, 21981), (2907, 9913), (3519, 8189), (3879, 7429), (3933, 7327)]