28558215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5333}}^1$

素因数の和:5368

約数の個数: 48

約数和(自身を含む): 59911488

約数和(自身を除く): 31353273

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 765, 1071, 1785, 5333, 5355, 15999, 26665, 37331, 47997, 79995, 90661, 111993, 186655, 239985, 271983, 335979, 453305, 559965, 634627, 815949, 1359915, 1679895, 1903881, 3173135, 4079745, 5711643, 9519405, 28558215]

約数ペア:

[(1, 28558215), (3, 9519405), (5, 5711643), (7, 4079745), (9, 3173135), (15, 1903881), (17, 1679895), (21, 1359915), (35, 815949), (45, 634627), (51, 559965), (63, 453305), (85, 335979), (105, 271983), (119, 239985), (153, 186655), (255, 111993), (315, 90661), (357, 79995), (595, 47997), (765, 37331), (1071, 26665), (1785, 15999), (5333, 5355)]