31281003

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15727}}^1$

素因数の和:15763

約数の個数: 24

約数和(自身を含む): 51524928

約数和(自身を除く): 20243925

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15727, 47181, 141543, 204451, 267359, 613353, 802077, 1840059, 2406231, 3475667, 10427001, 31281003]

約数ペア:

[(1, 31281003), (3, 10427001), (9, 3475667), (13, 2406231), (17, 1840059), (39, 802077), (51, 613353), (117, 267359), (153, 204451), (221, 141543), (663, 47181), (1989, 15727)]