201787815

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{997}}^1$

素因数の和:1239

約数の個数: 32

約数和(自身を含む): 328813056

約数和(自身を除く): 127025241

約数列:

[1, 3, 5, 15, 103, 131, 309, 393, 515, 655, 997, 1545, 1965, 2991, 4985, 13493, 14955, 40479, 67465, 102691, 130607, 202395, 308073, 391821, 513455, 653035, 1540365, 1959105, 13452521, 40357563, 67262605, 201787815]

約数ペア:

[(1, 201787815), (3, 67262605), (5, 40357563), (15, 13452521), (103, 1959105), (131, 1540365), (309, 653035), (393, 513455), (515, 391821), (655, 308073), (997, 202395), (1545, 130607), (1965, 102691), (2991, 67465), (4985, 40479), (13493, 14955)]