209024517

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 305496576

約数和(自身を除く): 96472059

約数列:

[1, 3, 13, 39, 131, 163, 251, 393, 489, 753, 1703, 2119, 3263, 5109, 6357, 9789, 21353, 32881, 40913, 64059, 98643, 122739, 277589, 427453, 531869, 832767, 1282359, 1595607, 5359603, 16078809, 69674839, 209024517]

約数ペア:

[(1, 209024517), (3, 69674839), (13, 16078809), (39, 5359603), (131, 1595607), (163, 1282359), (251, 832767), (393, 531869), (489, 427453), (753, 277589), (1703, 122739), (2119, 98643), (3263, 64059), (5109, 40913), (6357, 32881), (9789, 21353)]