16128207

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 25440000

約数和(自身を除く): 9311793

約数列:

[1, 3, 9, 19, 27, 57, 149, 171, 211, 447, 513, 633, 1341, 1899, 2831, 4009, 4023, 5697, 8493, 12027, 25479, 31439, 36081, 76437, 94317, 108243, 282951, 597341, 848853, 1792023, 5376069, 16128207]

約数ペア:

[(1, 16128207), (3, 5376069), (9, 1792023), (19, 848853), (27, 597341), (57, 282951), (149, 108243), (171, 94317), (211, 76437), (447, 36081), (513, 31439), (633, 25479), (1341, 12027), (1899, 8493), (2831, 5697), (4009, 4023)]