219351

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 24

約数和(自身を含む): 353664

約数和(自身を除く): 134313

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 289, 391, 561, 759, 867, 1173, 3179, 4301, 6647, 9537, 12903, 19941, 73117, 219351]

約数ペア:

[(1, 219351), (3, 73117), (11, 19941), (17, 12903), (23, 9537), (33, 6647), (51, 4301), (69, 3179), (187, 1173), (253, 867), (289, 759), (391, 561)]