28784043

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{449}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 44226000

約数和(自身を除く): 15441957

約数列:

[1, 3, 9, 17, 51, 153, 419, 449, 1257, 1347, 3771, 4041, 7123, 7633, 21369, 22899, 64107, 68697, 188131, 564393, 1693179, 3198227, 9594681, 28784043]

約数ペア:

[(1, 28784043), (3, 9594681), (9, 3198227), (17, 1693179), (51, 564393), (153, 188131), (419, 68697), (449, 64107), (1257, 22899), (1347, 21369), (3771, 7633), (4041, 7123)]