28916271

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{6263}}^1$

素因数の和:6297

約数の個数: 24

約数和(自身を含む): 45601920

約数和(自身を除く): 16685649

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 6263, 18789, 56367, 118997, 169101, 356991, 507303, 1070973, 1521909, 3212919, 9638757, 28916271]

約数ペア:

[(1, 28916271), (3, 9638757), (9, 3212919), (19, 1521909), (27, 1070973), (57, 507303), (81, 356991), (171, 169101), (243, 118997), (513, 56367), (1539, 18789), (4617, 6263)]