28471095

素因数分解:

$3^6\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 56

約数和(自身を含む): 52411536

約数和(自身を除く): 23940441

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 107, 135, 219, 243, 321, 365, 405, 535, 657, 729, 963, 1095, 1215, 1605, 1971, 2889, 3285, 3645, 4815, 5913, 7811, 8667, 9855, 14445, 17739, 23433, 26001, 29565, 39055, 43335, 53217, 70299, 78003, 88695, 117165, 130005, 210897, 266085, 351495, 390015, 632691, 1054485, 1898073, 3163455, 5694219, 9490365, 28471095]

約数ペア:

[(1, 28471095), (3, 9490365), (5, 5694219), (9, 3163455), (15, 1898073), (27, 1054485), (45, 632691), (73, 390015), (81, 351495), (107, 266085), (135, 210897), (219, 130005), (243, 117165), (321, 88695), (365, 78003), (405, 70299), (535, 53217), (657, 43335), (729, 39055), (963, 29565), (1095, 26001), (1215, 23433), (1605, 17739), (1971, 14445), (2889, 9855), (3285, 8667), (3645, 7811), (4815, 5913)]