18585045

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{421}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 33700920

約数和(自身を除く): 15115875

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 421, 545, 981, 1263, 1635, 2105, 2943, 3789, 4905, 6315, 8829, 11367, 14715, 18945, 34101, 44145, 45889, 56835, 137667, 170505, 229445, 413001, 688335, 1239003, 2065005, 3717009, 6195015, 18585045]

約数ペア:

[(1, 18585045), (3, 6195015), (5, 3717009), (9, 2065005), (15, 1239003), (27, 688335), (45, 413001), (81, 229445), (109, 170505), (135, 137667), (327, 56835), (405, 45889), (421, 44145), (545, 34101), (981, 18945), (1263, 14715), (1635, 11367), (2105, 8829), (2943, 6315), (3789, 4905)]