71015217

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13691}}^1$

素因数の和:13733

約数の個数: 32

約数和(自身を含む): 122680320

約数和(自身を除く): 51665103

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 13691, 41073, 95837, 177983, 260129, 287511, 533949, 780387, 1245881, 1820903, 3381677, 3737643, 5462709, 10145031, 23671739, 71015217]

約数ペア:

[(1, 71015217), (3, 23671739), (7, 10145031), (13, 5462709), (19, 3737643), (21, 3381677), (39, 1820903), (57, 1245881), (91, 780387), (133, 533949), (247, 287511), (273, 260129), (399, 177983), (741, 95837), (1729, 41073), (5187, 13691)]