2608221

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1613}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 4415904

約数和(自身を除く): 1807683

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1613, 1617, 4839, 11291, 17743, 33873, 53229, 79037, 124201, 237111, 372603, 869407, 2608221]

約数ペア:

[(1, 2608221), (3, 869407), (7, 372603), (11, 237111), (21, 124201), (33, 79037), (49, 53229), (77, 33873), (147, 17743), (231, 11291), (539, 4839), (1613, 1617)]