202123999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 277272576

約数和(自身を除く): 75148577

約数列:

[1, 7, 11, 17, 31, 77, 119, 187, 217, 289, 293, 341, 527, 1309, 2023, 2051, 2387, 3179, 3223, 3689, 4981, 5797, 8959, 9083, 22253, 22561, 34867, 40579, 54791, 62713, 63581, 84677, 98549, 99913, 154411, 383537, 592739, 689843, 699391, 931447, 1080877, 1698521, 2624987, 6520129, 11889647, 18374909, 28874857, 202123999]

約数ペア:

[(1, 202123999), (7, 28874857), (11, 18374909), (17, 11889647), (31, 6520129), (77, 2624987), (119, 1698521), (187, 1080877), (217, 931447), (289, 699391), (293, 689843), (341, 592739), (527, 383537), (1309, 154411), (2023, 99913), (2051, 98549), (2387, 84677), (3179, 63581), (3223, 62713), (3689, 54791), (4981, 40579), (5797, 34867), (8959, 22561), (9083, 22253)]