247609905

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1\times {\mathrm{1063}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 405409536

約数和(自身を除く): 157799631

約数列:

[1, 3, 5, 15, 53, 159, 265, 293, 795, 879, 1063, 1465, 3189, 4395, 5315, 15529, 15945, 46587, 56339, 77645, 169017, 232935, 281695, 311459, 845085, 934377, 1557295, 4671885, 16507327, 49521981, 82536635, 247609905]

約数ペア:

[(1, 247609905), (3, 82536635), (5, 49521981), (15, 16507327), (53, 4671885), (159, 1557295), (265, 934377), (293, 845085), (795, 311459), (879, 281695), (1063, 232935), (1465, 169017), (3189, 77645), (4395, 56339), (5315, 46587), (15529, 15945)]