2216565

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:451

約数の個数: 40

約数和(自身を含む): 4289208

約数和(自身を除く): 2072643

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 421, 585, 1053, 1263, 1755, 2105, 3789, 5265, 5473, 6315, 11367, 16419, 18945, 27365, 34101, 49257, 56835, 82095, 147771, 170505, 246285, 443313, 738855, 2216565]

約数ペア:

[(1, 2216565), (3, 738855), (5, 443313), (9, 246285), (13, 170505), (15, 147771), (27, 82095), (39, 56835), (45, 49257), (65, 34101), (81, 27365), (117, 18945), (135, 16419), (195, 11367), (351, 6315), (405, 5473), (421, 5265), (585, 3789), (1053, 2105), (1263, 1755)]