2165415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 4064256

約数和(自身を除く): 1898841

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 503, 615, 861, 1435, 1509, 2515, 3521, 4305, 7545, 10563, 17605, 20623, 52815, 61869, 103115, 144361, 309345, 433083, 721805, 2165415]

約数ペア:

[(1, 2165415), (3, 721805), (5, 433083), (7, 309345), (15, 144361), (21, 103115), (35, 61869), (41, 52815), (105, 20623), (123, 17605), (205, 10563), (287, 7545), (503, 4305), (615, 3521), (861, 2515), (1435, 1509)]