280683753

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{12889}}^1$

素因数の和:12977

約数の個数: 32

約数和(自身を含む): 460327680

約数和(自身を除く): 179643927

約数列:

[1, 3, 7, 17, 21, 51, 61, 119, 183, 357, 427, 1037, 1281, 3111, 7259, 12889, 21777, 38667, 90223, 219113, 270669, 657339, 786229, 1533791, 2358687, 4601373, 5503603, 13365893, 16510809, 40097679, 93561251, 280683753]

約数ペア:

[(1, 280683753), (3, 93561251), (7, 40097679), (17, 16510809), (21, 13365893), (51, 5503603), (61, 4601373), (119, 2358687), (183, 1533791), (357, 786229), (427, 657339), (1037, 270669), (1281, 219113), (3111, 90223), (7259, 38667), (12889, 21777)]