201616965

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5903}}^1$

素因数の和:5951

約数の個数: 64

約数和(自身を含む): 408084480

約数和(自身を除く): 206467515

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 33, 45, 55, 69, 99, 115, 135, 165, 207, 253, 297, 345, 495, 621, 759, 1035, 1265, 1485, 2277, 3105, 3795, 5903, 6831, 11385, 17709, 29515, 34155, 53127, 64933, 88545, 135769, 159381, 194799, 265635, 324665, 407307, 584397, 678845, 796905, 973995, 1221921, 1493459, 1753191, 2036535, 2921985, 3665763, 4480377, 6109605, 7467295, 8765955, 13441131, 18328815, 22401885, 40323393, 67205655, 201616965]

約数ペア:

[(1, 201616965), (3, 67205655), (5, 40323393), (9, 22401885), (11, 18328815), (15, 13441131), (23, 8765955), (27, 7467295), (33, 6109605), (45, 4480377), (55, 3665763), (69, 2921985), (99, 2036535), (115, 1753191), (135, 1493459), (165, 1221921), (207, 973995), (253, 796905), (297, 678845), (345, 584397), (495, 407307), (621, 324665), (759, 265635), (1035, 194799), (1265, 159381), (1485, 135769), (2277, 88545), (3105, 64933), (3795, 53127), (5903, 34155), (6831, 29515), (11385, 17709)]