71399321

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1533

約数の個数: 24

約数和(自身を含む): 89138880

約数和(自身を除く): 17739559

約数列:

[1, 7, 19, 49, 53, 133, 371, 931, 1007, 1447, 2597, 7049, 10129, 27493, 49343, 70903, 76691, 192451, 536837, 1347157, 1457129, 3757859, 10199903, 71399321]

約数ペア:

[(1, 71399321), (7, 10199903), (19, 3757859), (49, 1457129), (53, 1347157), (133, 536837), (371, 192451), (931, 76691), (1007, 70903), (1447, 49343), (2597, 27493), (7049, 10129)]