68670615

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 120586752

約数和(自身を除く): 51916137

約数列:

[1, 3, 5, 13, 15, 39, 65, 103, 169, 195, 263, 309, 507, 515, 789, 845, 1315, 1339, 1545, 2535, 3419, 3945, 4017, 6695, 10257, 17095, 17407, 20085, 27089, 44447, 51285, 52221, 81267, 87035, 133341, 135445, 222235, 261105, 352157, 406335, 666705, 1056471, 1760785, 4578041, 5282355, 13734123, 22890205, 68670615]

約数ペア:

[(1, 68670615), (3, 22890205), (5, 13734123), (13, 5282355), (15, 4578041), (39, 1760785), (65, 1056471), (103, 666705), (169, 406335), (195, 352157), (263, 261105), (309, 222235), (507, 135445), (515, 133341), (789, 87035), (845, 81267), (1315, 52221), (1339, 51285), (1545, 44447), (2535, 27089), (3419, 20085), (3945, 17407), (4017, 17095), (6695, 10257)]