213308979

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{321733}}^1$

素因数の和:321766

約数の個数: 16

約数和(自身を含む): 324307872

約数和(自身を除く): 110998893

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 321733, 965199, 4182529, 5469461, 12547587, 16408383, 71102993, 213308979]

約数ペア:

[(1, 213308979), (3, 71102993), (13, 16408383), (17, 12547587), (39, 5469461), (51, 4182529), (221, 965199), (663, 321733)]