71405439

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{9419}}^1$

素因数の和:9467

約数の個数: 24

約数和(自身を含む): 114848640

約数和(自身を除く): 43443201

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 9419, 28257, 65933, 178961, 197799, 536883, 1252727, 3400259, 3758181, 10200777, 23801813, 71405439]

約数ペア:

[(1, 71405439), (3, 23801813), (7, 10200777), (19, 3758181), (21, 3400259), (57, 1252727), (133, 536883), (361, 197799), (399, 178961), (1083, 65933), (2527, 28257), (7581, 9419)]