209499075

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{18257}}^1$

素因数の和:18293

約数の個数: 48

約数和(自身を含む): 407518560

約数和(自身を除く): 198019485

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 85, 135, 153, 225, 255, 425, 459, 675, 765, 1275, 2295, 3825, 11475, 18257, 54771, 91285, 164313, 273855, 310369, 456425, 492939, 821565, 931107, 1369275, 1551845, 2464695, 2793321, 4107825, 4655535, 7759225, 8379963, 12323475, 13966605, 23277675, 41899815, 69833025, 209499075]

約数ペア:

[(1, 209499075), (3, 69833025), (5, 41899815), (9, 23277675), (15, 13966605), (17, 12323475), (25, 8379963), (27, 7759225), (45, 4655535), (51, 4107825), (75, 2793321), (85, 2464695), (135, 1551845), (153, 1369275), (225, 931107), (255, 821565), (425, 492939), (459, 456425), (675, 310369), (765, 273855), (1275, 164313), (2295, 91285), (3825, 54771), (11475, 18257)]