487993815

素因数分解:

$3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21139}}^1$

素因数の和:21178

約数の個数: 48

約数和(自身を含む): 923395200

約数和(自身を除く): 435401385

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 243, 285, 405, 513, 855, 1215, 1539, 2565, 4617, 7695, 21139, 23085, 63417, 105695, 190251, 317085, 401641, 570753, 951255, 1204923, 1712259, 2008205, 2853765, 3614769, 5136777, 6024615, 8561295, 10844307, 18073845, 25683885, 32532921, 54221535, 97598763, 162664605, 487993815]

約数ペア:

[(1, 487993815), (3, 162664605), (5, 97598763), (9, 54221535), (15, 32532921), (19, 25683885), (27, 18073845), (45, 10844307), (57, 8561295), (81, 6024615), (95, 5136777), (135, 3614769), (171, 2853765), (243, 2008205), (285, 1712259), (405, 1204923), (513, 951255), (855, 570753), (1215, 401641), (1539, 317085), (2565, 190251), (4617, 105695), (7695, 63417), (21139, 23085)]