12904281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2081}}^1$

素因数の和:2153

約数の個数: 24

約数和(自身を含む): 20461896

約数和(自身を除く): 7557615

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 2081, 6201, 6243, 18729, 27053, 81159, 110293, 243477, 330879, 992637, 1433809, 4301427, 12904281]

約数ペア:

[(1, 12904281), (3, 4301427), (9, 1433809), (13, 992637), (39, 330879), (53, 243477), (117, 110293), (159, 81159), (477, 27053), (689, 18729), (2067, 6243), (2081, 6201)]