201612945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1801}}^1$

素因数の和:2265

約数の個数: 32

約数和(自身を含む): 342524160

約数和(自身を除く): 140911215

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 439, 1317, 1801, 2195, 5403, 6585, 7463, 9005, 22389, 27015, 30617, 37315, 91851, 111945, 153085, 459255, 790639, 2371917, 3953195, 11859585, 13440863, 40322589, 67204315, 201612945]

約数ペア:

[(1, 201612945), (3, 67204315), (5, 40322589), (15, 13440863), (17, 11859585), (51, 3953195), (85, 2371917), (255, 790639), (439, 459255), (1317, 153085), (1801, 111945), (2195, 91851), (5403, 37315), (6585, 30617), (7463, 27015), (9005, 22389)]