61439807

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 73511760

約数和(自身を除く): 12071953

約数列:

[1, 11, 13, 121, 139, 143, 281, 1529, 1573, 1807, 3091, 3653, 16819, 19877, 34001, 39059, 40183, 218647, 429649, 442013, 507767, 4726139, 5585437, 61439807]

約数ペア:

[(1, 61439807), (11, 5585437), (13, 4726139), (121, 507767), (139, 442013), (143, 429649), (281, 218647), (1529, 40183), (1573, 39059), (1807, 34001), (3091, 19877), (3653, 16819)]