312449715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{408431}}^1$

素因数の和:408459

約数の個数: 24

約数和(自身を含む): 573438528

約数和(自身を除く): 260988813

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 408431, 1225293, 2042155, 3675879, 6126465, 6943327, 18379395, 20829981, 34716635, 62489943, 104149905, 312449715]

約数ペア:

[(1, 312449715), (3, 104149905), (5, 62489943), (9, 34716635), (15, 20829981), (17, 18379395), (45, 6943327), (51, 6126465), (85, 3675879), (153, 2042155), (255, 1225293), (765, 408431)]