28974795

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{563}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 48079872

約数和(自身を除く): 19105077

約数列:

[1, 3, 5, 15, 47, 73, 141, 219, 235, 365, 563, 705, 1095, 1689, 2815, 3431, 8445, 10293, 17155, 26461, 41099, 51465, 79383, 123297, 132305, 205495, 396915, 616485, 1931653, 5794959, 9658265, 28974795]

約数ペア:

[(1, 28974795), (3, 9658265), (5, 5794959), (15, 1931653), (47, 616485), (73, 396915), (141, 205495), (219, 132305), (235, 123297), (365, 79383), (563, 51465), (705, 41099), (1095, 26461), (1689, 17155), (2815, 10293), (3431, 8445)]