81726531

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 38023869

約数列:

[1, 3, 17, 43, 51, 83, 129, 249, 449, 731, 1347, 1411, 2193, 3569, 4233, 7633, 10707, 19307, 22899, 37267, 57921, 60673, 111801, 182019, 328219, 633539, 984657, 1602481, 1900617, 4807443, 27242177, 81726531]

約数ペア:

[(1, 81726531), (3, 27242177), (17, 4807443), (43, 1900617), (51, 1602481), (83, 984657), (129, 633539), (249, 328219), (449, 182019), (731, 111801), (1347, 60673), (1411, 57921), (2193, 37267), (3569, 22899), (4233, 19307), (7633, 10707)]