47451825

素因数分解:

$3^5\times 5^2\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 90181728

約数和(自身を除く): 42729903

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 73, 75, 81, 107, 135, 219, 225, 243, 321, 365, 405, 535, 657, 675, 963, 1095, 1215, 1605, 1825, 1971, 2025, 2675, 2889, 3285, 4815, 5475, 5913, 6075, 7811, 8025, 8667, 9855, 14445, 16425, 17739, 23433, 24075, 26001, 29565, 39055, 43335, 49275, 70299, 72225, 88695, 117165, 130005, 147825, 195275, 210897, 216675, 351495, 443475, 585825, 632691, 650025, 1054485, 1757475, 1898073, 3163455, 5272425, 9490365, 15817275, 47451825]

約数ペア:

[(1, 47451825), (3, 15817275), (5, 9490365), (9, 5272425), (15, 3163455), (25, 1898073), (27, 1757475), (45, 1054485), (73, 650025), (75, 632691), (81, 585825), (107, 443475), (135, 351495), (219, 216675), (225, 210897), (243, 195275), (321, 147825), (365, 130005), (405, 117165), (535, 88695), (657, 72225), (675, 70299), (963, 49275), (1095, 43335), (1215, 39055), (1605, 29565), (1825, 26001), (1971, 24075), (2025, 23433), (2675, 17739), (2889, 16425), (3285, 14445), (4815, 9855), (5475, 8667), (5913, 8025), (6075, 7811)]