28513485

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:256

約数の個数: 128

約数和(自身を含む): 68382720

約数和(自身を除く): 39869235

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 27, 33, 35, 39, 45, 55, 63, 65, 77, 91, 99, 105, 117, 135, 143, 165, 189, 195, 211, 231, 273, 297, 315, 351, 385, 429, 455, 495, 585, 633, 693, 715, 819, 945, 1001, 1055, 1155, 1287, 1365, 1477, 1485, 1755, 1899, 2079, 2145, 2321, 2457, 2743, 3003, 3165, 3465, 3861, 4095, 4431, 5005, 5697, 6435, 6963, 7385, 8229, 9009, 9495, 10395, 11605, 12285, 13293, 13715, 15015, 16247, 19201, 19305, 20889, 22155, 24687, 27027, 28485, 30173, 34815, 39879, 41145, 45045, 48741, 57603, 62667, 66465, 74061, 81235, 90519, 96005, 104445, 123435, 135135, 146223, 150865, 172809, 199395, 211211, 243705, 271557, 288015, 313335, 370305, 438669, 452595, 518427, 633633, 731115, 814671, 864045, 1056055, 1357785, 1900899, 2193345, 2592135, 3168165, 4073355, 5702697, 9504495, 28513485]

約数ペア:

[(1, 28513485), (3, 9504495), (5, 5702697), (7, 4073355), (9, 3168165), (11, 2592135), (13, 2193345), (15, 1900899), (21, 1357785), (27, 1056055), (33, 864045), (35, 814671), (39, 731115), (45, 633633), (55, 518427), (63, 452595), (65, 438669), (77, 370305), (91, 313335), (99, 288015), (105, 271557), (117, 243705), (135, 211211), (143, 199395), (165, 172809), (189, 150865), (195, 146223), (211, 135135), (231, 123435), (273, 104445), (297, 96005), (315, 90519), (351, 81235), (385, 74061), (429, 66465), (455, 62667), (495, 57603), (585, 48741), (633, 45045), (693, 41145), (715, 39879), (819, 34815), (945, 30173), (1001, 28485), (1055, 27027), (1155, 24687), (1287, 22155), (1365, 20889), (1477, 19305), (1485, 19201), (1755, 16247), (1899, 15015), (2079, 13715), (2145, 13293), (2321, 12285), (2457, 11605), (2743, 10395), (3003, 9495), (3165, 9009), (3465, 8229), (3861, 7385), (4095, 6963), (4431, 6435), (5005, 5697)]