204635985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{1499}}^1$

素因数の和:2005

約数の個数: 32

約数和(自身を含む): 345600000

約数和(自身を除く): 140964015

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 479, 1437, 1499, 2395, 4497, 7185, 7495, 9101, 22485, 27303, 28481, 45505, 85443, 136515, 142405, 427215, 718021, 2154063, 3590105, 10770315, 13642399, 40927197, 68211995, 204635985]

約数ペア:

[(1, 204635985), (3, 68211995), (5, 40927197), (15, 13642399), (19, 10770315), (57, 3590105), (95, 2154063), (285, 718021), (479, 427215), (1437, 142405), (1499, 136515), (2395, 85443), (4497, 45505), (7185, 28481), (7495, 27303), (9101, 22485)]