201921335

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{12197}}^1$

素因数の和:12263

約数の個数: 32

約数和(自身を含む): 309146112

約数和(自身を除く): 107224777

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1505, 2365, 3311, 12197, 16555, 60985, 85379, 134167, 426895, 524471, 670835, 939169, 2622355, 3671297, 4695845, 5769181, 18356485, 28845905, 40384267, 201921335]

約数ペア:

[(1, 201921335), (5, 40384267), (7, 28845905), (11, 18356485), (35, 5769181), (43, 4695845), (55, 3671297), (77, 2622355), (215, 939169), (301, 670835), (385, 524471), (473, 426895), (1505, 134167), (2365, 85379), (3311, 60985), (12197, 16555)]