78910815

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1801}}^1$

素因数の和:1959

約数の個数: 32

約数和(自身を含む): 132857856

約数和(自身を除く): 53947041

約数列:

[1, 3, 5, 15, 23, 69, 115, 127, 345, 381, 635, 1801, 1905, 2921, 5403, 8763, 9005, 14605, 27015, 41423, 43815, 124269, 207115, 228727, 621345, 686181, 1143635, 3430905, 5260721, 15782163, 26303605, 78910815]

約数ペア:

[(1, 78910815), (3, 26303605), (5, 15782163), (15, 5260721), (23, 3430905), (69, 1143635), (115, 686181), (127, 621345), (345, 228727), (381, 207115), (635, 124269), (1801, 43815), (1905, 41423), (2921, 27015), (5403, 14605), (8763, 9005)]