205651329

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{991}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 313979904

約数和(自身を除く): 108328575

約数列:

[1, 3, 13, 17, 39, 51, 221, 313, 663, 939, 991, 2973, 4069, 5321, 12207, 12883, 15963, 16847, 38649, 50541, 69173, 207519, 219011, 310183, 657033, 930549, 4032379, 5273111, 12097137, 15819333, 68550443, 205651329]

約数ペア:

[(1, 205651329), (3, 68550443), (13, 15819333), (17, 12097137), (39, 5273111), (51, 4032379), (221, 930549), (313, 657033), (663, 310183), (939, 219011), (991, 207519), (2973, 69173), (4069, 50541), (5321, 38649), (12207, 16847), (12883, 15963)]