31329879

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{337}}^1$

素因数の和:599

約数の個数: 32

約数和(自身を含む): 50618880

約数和(自身を除く): 19289001

約数列:

[1, 3, 7, 19, 21, 57, 133, 233, 337, 399, 699, 1011, 1631, 2359, 4427, 4893, 6403, 7077, 13281, 19209, 30989, 44821, 78521, 92967, 134463, 235563, 549647, 1491899, 1648941, 4475697, 10443293, 31329879]

約数ペア:

[(1, 31329879), (3, 10443293), (7, 4475697), (19, 1648941), (21, 1491899), (57, 549647), (133, 235563), (233, 134463), (337, 92967), (399, 78521), (699, 44821), (1011, 30989), (1631, 19209), (2359, 13281), (4427, 7077), (4893, 6403)]