26803815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:691

約数の個数: 32

約数和(自身を含む): 45696960

約数和(自身を除く): 18893145

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 257, 409, 771, 1227, 1285, 2045, 3855, 4369, 6135, 6953, 13107, 20859, 21845, 34765, 65535, 104295, 105113, 315339, 525565, 1576695, 1786921, 5360763, 8934605, 26803815]

約数ペア:

[(1, 26803815), (3, 8934605), (5, 5360763), (15, 1786921), (17, 1576695), (51, 525565), (85, 315339), (255, 105113), (257, 104295), (409, 65535), (771, 34765), (1227, 21845), (1285, 20859), (2045, 13107), (3855, 6953), (4369, 6135)]