18009135

素因数分解:

$3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 32931360

約数和(自身を除く): 14922225

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 81, 135, 159, 265, 405, 477, 795, 839, 1431, 2385, 2517, 4195, 4293, 7155, 7551, 12585, 21465, 22653, 37755, 44467, 67959, 113265, 133401, 222335, 339795, 400203, 667005, 1200609, 2001015, 3601827, 6003045, 18009135]

約数ペア:

[(1, 18009135), (3, 6003045), (5, 3601827), (9, 2001015), (15, 1200609), (27, 667005), (45, 400203), (53, 339795), (81, 222335), (135, 133401), (159, 113265), (265, 67959), (405, 44467), (477, 37755), (795, 22653), (839, 21465), (1431, 12585), (2385, 7551), (2517, 7155), (4195, 4293)]