1808345

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 36

約数和(自身を含む): 2820132

約数和(自身を除く): 1011787

約数列:

[1, 5, 7, 11, 35, 49, 55, 61, 77, 121, 245, 305, 385, 427, 539, 605, 671, 847, 2135, 2695, 2989, 3355, 4235, 4697, 5929, 7381, 14945, 23485, 29645, 32879, 36905, 51667, 164395, 258335, 361669, 1808345]

約数ペア:

[(1, 1808345), (5, 361669), (7, 258335), (11, 164395), (35, 51667), (49, 36905), (55, 32879), (61, 29645), (77, 23485), (121, 14945), (245, 7381), (305, 5929), (385, 4697), (427, 4235), (539, 3355), (605, 2989), (671, 2695), (847, 2135)]