20138517

素因数分解:

$3^3\times 7^1\times {\mathrm{127}}^1\times {\mathrm{839}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 34406400

約数和(自身を除く): 14267883

約数列:

[1, 3, 7, 9, 21, 27, 63, 127, 189, 381, 839, 889, 1143, 2517, 2667, 3429, 5873, 7551, 8001, 17619, 22653, 24003, 52857, 106553, 158571, 319659, 745871, 958977, 2237613, 2876931, 6712839, 20138517]

約数ペア:

[(1, 20138517), (3, 6712839), (7, 2876931), (9, 2237613), (21, 958977), (27, 745871), (63, 319659), (127, 158571), (189, 106553), (381, 52857), (839, 24003), (889, 22653), (1143, 17619), (2517, 8001), (2667, 7551), (3429, 5873)]