239914467

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3209}}^1$

素因数の和:3305

約数の個数: 40

約数和(自身を含む): 391517280

約数和(自身を除く): 151602813

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 351, 639, 923, 1053, 1917, 2769, 3209, 5751, 8307, 9627, 24921, 28881, 41717, 74763, 86643, 125151, 227839, 259929, 375453, 683517, 1126359, 2050551, 2961907, 3379077, 6151653, 8885721, 18454959, 26657163, 79971489, 239914467]

約数ペア:

[(1, 239914467), (3, 79971489), (9, 26657163), (13, 18454959), (27, 8885721), (39, 6151653), (71, 3379077), (81, 2961907), (117, 2050551), (213, 1126359), (351, 683517), (639, 375453), (923, 259929), (1053, 227839), (1917, 125151), (2769, 86643), (3209, 74763), (5751, 41717), (8307, 28881), (9627, 24921)]