1215687

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 1896048

約数和(自身を除く): 680361

約数列:

[1, 3, 11, 17, 33, 51, 121, 187, 197, 363, 561, 591, 2057, 2167, 3349, 6171, 6501, 10047, 23837, 36839, 71511, 110517, 405229, 1215687]

約数ペア:

[(1, 1215687), (3, 405229), (11, 110517), (17, 71511), (33, 36839), (51, 23837), (121, 10047), (187, 6501), (197, 6171), (363, 3349), (561, 2167), (591, 2057)]