2749005

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{2909}}^1$

素因数の和:2930

約数の個数: 32

約数和(自身を含む): 5587200

約数和(自身を除く): 2838195

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2909, 8727, 14545, 20363, 26181, 43635, 61089, 78543, 101815, 130905, 183267, 305445, 392715, 549801, 916335, 2749005]

約数ペア:

[(1, 2749005), (3, 916335), (5, 549801), (7, 392715), (9, 305445), (15, 183267), (21, 130905), (27, 101815), (35, 78543), (45, 61089), (63, 43635), (105, 26181), (135, 20363), (189, 14545), (315, 8727), (945, 2909)]