15925005

素因数分解:

$3^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:297

約数の個数: 56

約数和(自身を含む): 30455352

約数和(自身を除く): 14530347

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 243, 255, 257, 405, 459, 729, 765, 771, 1215, 1285, 1377, 2295, 2313, 3645, 3855, 4131, 4369, 6885, 6939, 11565, 12393, 13107, 20655, 20817, 21845, 34695, 39321, 61965, 62451, 65535, 104085, 117963, 187353, 196605, 312255, 353889, 589815, 936765, 1061667, 1769445, 3185001, 5308335, 15925005]

約数ペア:

[(1, 15925005), (3, 5308335), (5, 3185001), (9, 1769445), (15, 1061667), (17, 936765), (27, 589815), (45, 353889), (51, 312255), (81, 196605), (85, 187353), (135, 117963), (153, 104085), (243, 65535), (255, 62451), (257, 61965), (405, 39321), (459, 34695), (729, 21845), (765, 20817), (771, 20655), (1215, 13107), (1285, 12393), (1377, 11565), (2295, 6939), (2313, 6885), (3645, 4369), (3855, 4131)]