2105207895

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{49999}}^1$

素因数の和:50415

約数の個数: 32

約数和(自身を含む): 3859200000

約数和(自身を除く): 1753992105

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 401, 1203, 2005, 2807, 6015, 8421, 14035, 42105, 49999, 149997, 249995, 349993, 749985, 1049979, 1749965, 5249895, 20049599, 60148797, 100247995, 140347193, 300743985, 421041579, 701735965, 2105207895]

約数ペア:

[(1, 2105207895), (3, 701735965), (5, 421041579), (7, 300743985), (15, 140347193), (21, 100247995), (35, 60148797), (105, 20049599), (401, 5249895), (1203, 1749965), (2005, 1049979), (2807, 749985), (6015, 349993), (8421, 249995), (14035, 149997), (42105, 49999)]