208205409

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{13043}}^1$

素因数の和:13376

約数の個数: 16

約数和(自身を含む): 294898752

約数和(自身を除く): 86693343

約数列:

[1, 3, 17, 51, 313, 939, 5321, 13043, 15963, 39129, 221731, 665193, 4082459, 12247377, 69401803, 208205409]

約数ペア:

[(1, 208205409), (3, 69401803), (17, 12247377), (51, 4082459), (313, 665193), (939, 221731), (5321, 39129), (13043, 15963)]