28213461

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1350

約数の個数: 32

約数和(自身を含む): 45056000

約数和(自身を除く): 16842539

約数列:

[1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 1161, 1279, 2451, 3837, 7353, 11511, 22059, 24301, 34533, 54997, 72903, 164991, 218709, 494973, 656127, 1044943, 1484919, 3134829, 9404487, 28213461]

約数ペア:

[(1, 28213461), (3, 9404487), (9, 3134829), (19, 1484919), (27, 1044943), (43, 656127), (57, 494973), (129, 218709), (171, 164991), (387, 72903), (513, 54997), (817, 34533), (1161, 24301), (1279, 22059), (2451, 11511), (3837, 7353)]