815530275

素因数分解:

$3^4\times 5^2\times 7^2\times {\mathrm{8219}}^1$

素因数の和:8255

約数の個数: 90

約数和(自身を含む): 1757493540

約数和(自身を除く): 941963265

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 49, 63, 75, 81, 105, 135, 147, 175, 189, 225, 245, 315, 405, 441, 525, 567, 675, 735, 945, 1225, 1323, 1575, 2025, 2205, 2835, 3675, 3969, 4725, 6615, 8219, 11025, 14175, 19845, 24657, 33075, 41095, 57533, 73971, 99225, 123285, 172599, 205475, 221913, 287665, 369855, 402731, 517797, 616425, 665739, 862995, 1109565, 1208193, 1438325, 1553391, 1849275, 2013655, 2588985, 3328695, 3624579, 4314975, 4660173, 5547825, 6040965, 7766955, 10068275, 10873737, 12944925, 16643475, 18122895, 23300865, 30204825, 32621211, 38834775, 54368685, 90614475, 116504325, 163106055, 271843425, 815530275]

約数ペア:

[(1, 815530275), (3, 271843425), (5, 163106055), (7, 116504325), (9, 90614475), (15, 54368685), (21, 38834775), (25, 32621211), (27, 30204825), (35, 23300865), (45, 18122895), (49, 16643475), (63, 12944925), (75, 10873737), (81, 10068275), (105, 7766955), (135, 6040965), (147, 5547825), (175, 4660173), (189, 4314975), (225, 3624579), (245, 3328695), (315, 2588985), (405, 2013655), (441, 1849275), (525, 1553391), (567, 1438325), (675, 1208193), (735, 1109565), (945, 862995), (1225, 665739), (1323, 616425), (1575, 517797), (2025, 402731), (2205, 369855), (2835, 287665), (3675, 221913), (3969, 205475), (4725, 172599), (6615, 123285), (8219, 99225), (11025, 73971), (14175, 57533), (19845, 41095), (24657, 33075)]