2151765

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 96

約数和(自身を含む): 5031936

約数和(自身を除く): 2880171

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 23, 27, 33, 35, 45, 55, 63, 69, 77, 81, 99, 105, 115, 135, 161, 165, 189, 207, 231, 243, 253, 297, 315, 345, 385, 405, 483, 495, 567, 621, 693, 759, 805, 891, 945, 1035, 1155, 1215, 1265, 1449, 1485, 1701, 1771, 1863, 2079, 2277, 2415, 2673, 2835, 3105, 3465, 3795, 4347, 4455, 5313, 5589, 6237, 6831, 7245, 8505, 8855, 9315, 10395, 11385, 13041, 13365, 15939, 18711, 20493, 21735, 26565, 27945, 31185, 34155, 39123, 47817, 61479, 65205, 79695, 93555, 102465, 143451, 195615, 239085, 307395, 430353, 717255, 2151765]

約数ペア:

[(1, 2151765), (3, 717255), (5, 430353), (7, 307395), (9, 239085), (11, 195615), (15, 143451), (21, 102465), (23, 93555), (27, 79695), (33, 65205), (35, 61479), (45, 47817), (55, 39123), (63, 34155), (69, 31185), (77, 27945), (81, 26565), (99, 21735), (105, 20493), (115, 18711), (135, 15939), (161, 13365), (165, 13041), (189, 11385), (207, 10395), (231, 9315), (243, 8855), (253, 8505), (297, 7245), (315, 6831), (345, 6237), (385, 5589), (405, 5313), (483, 4455), (495, 4347), (567, 3795), (621, 3465), (693, 3105), (759, 2835), (805, 2673), (891, 2415), (945, 2277), (1035, 2079), (1155, 1863), (1215, 1771), (1265, 1701), (1449, 1485)]