219981339

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{12401}}^1$

素因数の和:12489

約数の個数: 24

約数和(自身を含む): 334060272

約数和(自身を除く): 114078933

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1971, 5913, 12401, 17739, 37203, 111609, 334827, 905273, 1004481, 2715819, 3013443, 8147457, 24442371, 73327113, 219981339]

約数ペア:

[(1, 219981339), (3, 73327113), (9, 24442371), (27, 8147457), (73, 3013443), (81, 2715819), (219, 1004481), (243, 905273), (657, 334827), (1971, 111609), (5913, 37203), (12401, 17739)]