214965

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 395928

約数和(自身を除く): 180963

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 281, 765, 843, 1405, 2529, 4215, 4777, 12645, 14331, 23885, 42993, 71655, 214965]

約数ペア:

[(1, 214965), (3, 71655), (5, 42993), (9, 23885), (15, 14331), (17, 12645), (45, 4777), (51, 4215), (85, 2529), (153, 1405), (255, 843), (281, 765)]