202104315

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{89}}^2$

素因数の和:208

約数の個数: 84

約数和(自身を含む): 420289104

約数和(自身を除く): 218184789

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 89, 105, 135, 189, 243, 267, 315, 405, 445, 567, 623, 729, 801, 945, 1215, 1335, 1701, 1869, 2403, 2835, 3115, 3645, 4005, 5103, 5607, 7209, 7921, 8505, 9345, 12015, 16821, 21627, 23763, 25515, 28035, 36045, 39605, 50463, 55447, 64881, 71289, 84105, 108135, 118815, 151389, 166341, 213867, 252315, 277235, 324405, 356445, 454167, 499023, 641601, 756945, 831705, 1069335, 1497069, 1924803, 2270835, 2495115, 3208005, 4491207, 5774409, 7485345, 9624015, 13473621, 22456035, 28872045, 40420863, 67368105, 202104315]

約数ペア:

[(1, 202104315), (3, 67368105), (5, 40420863), (7, 28872045), (9, 22456035), (15, 13473621), (21, 9624015), (27, 7485345), (35, 5774409), (45, 4491207), (63, 3208005), (81, 2495115), (89, 2270835), (105, 1924803), (135, 1497069), (189, 1069335), (243, 831705), (267, 756945), (315, 641601), (405, 499023), (445, 454167), (567, 356445), (623, 324405), (729, 277235), (801, 252315), (945, 213867), (1215, 166341), (1335, 151389), (1701, 118815), (1869, 108135), (2403, 84105), (2835, 71289), (3115, 64881), (3645, 55447), (4005, 50463), (5103, 39605), (5607, 36045), (7209, 28035), (7921, 25515), (8505, 23763), (9345, 21627), (12015, 16821)]