72455721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 110221440

約数和(自身を除く): 37765719

約数列:

[1, 3, 13, 19, 39, 57, 247, 277, 353, 741, 831, 1059, 3601, 4589, 5263, 6707, 10803, 13767, 15789, 20121, 68419, 87191, 97781, 205257, 261573, 293343, 1271153, 1857839, 3813459, 5573517, 24151907, 72455721]

約数ペア:

[(1, 72455721), (3, 24151907), (13, 5573517), (19, 3813459), (39, 1857839), (57, 1271153), (247, 293343), (277, 261573), (353, 205257), (741, 97781), (831, 87191), (1059, 68419), (3601, 20121), (4589, 15789), (5263, 13767), (6707, 10803)]