16531767

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2012

約数の個数: 36

約数和(自身を含む): 29254680

約数和(自身を除く): 12722913

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 1973, 2793, 5919, 8379, 13811, 17757, 37487, 41433, 96677, 112461, 124299, 262409, 290031, 337383, 787227, 870093, 1836863, 2361681, 5510589, 16531767]

約数ペア:

[(1, 16531767), (3, 5510589), (7, 2361681), (9, 1836863), (19, 870093), (21, 787227), (49, 337383), (57, 290031), (63, 262409), (133, 124299), (147, 112461), (171, 96677), (399, 41433), (441, 37487), (931, 17757), (1197, 13811), (1973, 8379), (2793, 5919)]