56781309

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{85643}}^1$

素因数の和:85676

約数の個数: 16

約数和(自身を含む): 86329152

約数和(自身を除く): 29547843

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 85643, 256929, 1113359, 1455931, 3340077, 4367793, 18927103, 56781309]

約数ペア:

[(1, 56781309), (3, 18927103), (13, 4367793), (17, 3340077), (39, 1455931), (51, 1113359), (221, 256929), (663, 85643)]