2166045

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{421}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 4051200

約数和(自身を除く): 1885155

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 421, 735, 1029, 1263, 1715, 2105, 2947, 5145, 6315, 8841, 14735, 20629, 44205, 61887, 103145, 144403, 309435, 433209, 722015, 2166045]

約数ペア:

[(1, 2166045), (3, 722015), (5, 433209), (7, 309435), (15, 144403), (21, 103145), (35, 61887), (49, 44205), (105, 20629), (147, 14735), (245, 8841), (343, 6315), (421, 5145), (735, 2947), (1029, 2105), (1263, 1715)]