16855985805

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1\times {\mathrm{40129}}^1$

素因数の和:40861

約数の個数: 32

約数和(自身を含む): 27668511360

約数和(自身を除く): 10812525555

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 683, 2049, 3415, 10245, 28003, 40129, 84009, 120387, 140015, 200645, 420045, 601935, 1645289, 4935867, 8226445, 24679335, 27408107, 82224321, 137040535, 411121605, 1123732387, 3371197161, 5618661935, 16855985805]

約数ペア:

[(1, 16855985805), (3, 5618661935), (5, 3371197161), (15, 1123732387), (41, 411121605), (123, 137040535), (205, 82224321), (615, 27408107), (683, 24679335), (2049, 8226445), (3415, 4935867), (10245, 1645289), (28003, 601935), (40129, 420045), (84009, 200645), (120387, 140015)]