717255

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:58

約数の個数: 80

約数和(自身を含む): 1672704

約数和(自身を除く): 955449

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, 253, 297, 315, 345, 385, 405, 483, 495, 567, 621, 693, 759, 805, 891, 945, 1035, 1155, 1265, 1449, 1485, 1771, 1863, 2079, 2277, 2415, 2835, 3105, 3465, 3795, 4347, 4455, 5313, 6237, 6831, 7245, 8855, 9315, 10395, 11385, 13041, 15939, 20493, 21735, 26565, 31185, 34155, 47817, 65205, 79695, 102465, 143451, 239085, 717255]

約数ペア:

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