1769445

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:291

約数の個数: 40

約数和(自身を含む): 3371544

約数和(自身を除く): 1602099

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 257, 405, 459, 765, 771, 1285, 1377, 2295, 2313, 3855, 4369, 6885, 6939, 11565, 13107, 20817, 21845, 34695, 39321, 65535, 104085, 117963, 196605, 353889, 589815, 1769445]

約数ペア:

[(1, 1769445), (3, 589815), (5, 353889), (9, 196605), (15, 117963), (17, 104085), (27, 65535), (45, 39321), (51, 34695), (81, 21845), (85, 20817), (135, 13107), (153, 11565), (255, 6939), (257, 6885), (405, 4369), (459, 3855), (765, 2313), (771, 2295), (1285, 1377)]