25981389

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1427}}^1$

素因数の和:1474

約数の個数: 36

約数和(自身を含む): 45593184

約数和(自身を除く): 19611795

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 289, 357, 867, 1071, 1427, 2023, 2601, 4281, 6069, 9989, 12843, 18207, 24259, 29967, 72777, 89901, 169813, 218331, 412403, 509439, 1237209, 1528317, 2886821, 3711627, 8660463, 25981389]

約数ペア:

[(1, 25981389), (3, 8660463), (7, 3711627), (9, 2886821), (17, 1528317), (21, 1237209), (51, 509439), (63, 412403), (119, 218331), (153, 169813), (289, 89901), (357, 72777), (867, 29967), (1071, 24259), (1427, 18207), (2023, 12843), (2601, 9989), (4281, 6069)]