210945

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{41}}^1$

素因数の和:70

約数の個数: 32

約数和(自身を含む): 403200

約数和(自身を除く): 192255

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 147, 205, 245, 287, 343, 615, 735, 861, 1029, 1435, 1715, 2009, 4305, 5145, 6027, 10045, 14063, 30135, 42189, 70315, 210945]

約数ペア:

[(1, 210945), (3, 70315), (5, 42189), (7, 30135), (15, 14063), (21, 10045), (35, 6027), (41, 5145), (49, 4305), (105, 2009), (123, 1715), (147, 1435), (205, 1029), (245, 861), (287, 735), (343, 615)]