65218545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 144218880

約数和(自身を除く): 79000335

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 153, 171, 255, 285, 315, 323, 357, 399, 595, 641, 665, 765, 855, 969, 1071, 1197, 1615, 1785, 1923, 1995, 2261, 2907, 3205, 4487, 4845, 5355, 5769, 5985, 6783, 9615, 10897, 11305, 12179, 13461, 14535, 20349, 22435, 28845, 32691, 33915, 36537, 40383, 54485, 60895, 67305, 76279, 85253, 98073, 101745, 109611, 163455, 182685, 201915, 207043, 228837, 255759, 381395, 426265, 490365, 548055, 621129, 686511, 767277, 1035215, 1144185, 1278795, 1449301, 1863387, 3105645, 3432555, 3836385, 4347903, 7246505, 9316935, 13043709, 21739515, 65218545]

約数ペア:

[(1, 65218545), (3, 21739515), (5, 13043709), (7, 9316935), (9, 7246505), (15, 4347903), (17, 3836385), (19, 3432555), (21, 3105645), (35, 1863387), (45, 1449301), (51, 1278795), (57, 1144185), (63, 1035215), (85, 767277), (95, 686511), (105, 621129), (119, 548055), (133, 490365), (153, 426265), (171, 381395), (255, 255759), (285, 228837), (315, 207043), (323, 201915), (357, 182685), (399, 163455), (595, 109611), (641, 101745), (665, 98073), (765, 85253), (855, 76279), (969, 67305), (1071, 60895), (1197, 54485), (1615, 40383), (1785, 36537), (1923, 33915), (1995, 32691), (2261, 28845), (2907, 22435), (3205, 20349), (4487, 14535), (4845, 13461), (5355, 12179), (5769, 11305), (5985, 10897), (6783, 9615)]