85657815

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 161100576

約数和(自身を除く): 75442761

約数列:

[1, 3, 5, 9, 15, 17, 41, 45, 51, 85, 123, 153, 205, 255, 369, 615, 697, 765, 1845, 2091, 2731, 3485, 6273, 8193, 10455, 13655, 24579, 31365, 40965, 46427, 111971, 122895, 139281, 232135, 335913, 417843, 559855, 696405, 1007739, 1679565, 1903507, 2089215, 5038695, 5710521, 9517535, 17131563, 28552605, 85657815]

約数ペア:

[(1, 85657815), (3, 28552605), (5, 17131563), (9, 9517535), (15, 5710521), (17, 5038695), (41, 2089215), (45, 1903507), (51, 1679565), (85, 1007739), (123, 696405), (153, 559855), (205, 417843), (255, 335913), (369, 232135), (615, 139281), (697, 122895), (765, 111971), (1845, 46427), (2091, 40965), (2731, 31365), (3485, 24579), (6273, 13655), (8193, 10455)]