209904255

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{13679}}^1$

素因数の和:13732

約数の個数: 48

約数和(自身を含む): 409743360

約数和(自身を除く): 199839105

約数列:

[1, 3, 5, 9, 11, 15, 31, 33, 45, 55, 93, 99, 155, 165, 279, 341, 465, 495, 1023, 1395, 1705, 3069, 5115, 13679, 15345, 41037, 68395, 123111, 150469, 205185, 424049, 451407, 615555, 752345, 1272147, 1354221, 2120245, 2257035, 3816441, 4664539, 6360735, 6771105, 13993617, 19082205, 23322695, 41980851, 69968085, 209904255]

約数ペア:

[(1, 209904255), (3, 69968085), (5, 41980851), (9, 23322695), (11, 19082205), (15, 13993617), (31, 6771105), (33, 6360735), (45, 4664539), (55, 3816441), (93, 2257035), (99, 2120245), (155, 1354221), (165, 1272147), (279, 752345), (341, 615555), (465, 451407), (495, 424049), (1023, 205185), (1395, 150469), (1705, 123111), (3069, 68395), (5115, 41037), (13679, 15345)]