205429215

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{25889}}^1$

素因数の和:25943

約数の個数: 24

約数和(自身を含む): 343612080

約数和(自身を除く): 138182865

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 7935, 25889, 77667, 129445, 388335, 595447, 1786341, 2977235, 8931705, 13695281, 41085843, 68476405, 205429215]

約数ペア:

[(1, 205429215), (3, 68476405), (5, 41085843), (15, 13695281), (23, 8931705), (69, 2977235), (115, 1786341), (345, 595447), (529, 388335), (1587, 129445), (2645, 77667), (7935, 25889)]