201249321

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 342667584

約数和(自身を除く): 141418263

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 273, 371, 637, 689, 1113, 1911, 1987, 2067, 2597, 4823, 5961, 7791, 13909, 14469, 25831, 33761, 41727, 77493, 97363, 101283, 105311, 180817, 292089, 315933, 542451, 737177, 1265719, 1369043, 2211531, 3797157, 4107129, 5160239, 9583301, 15480717, 28749903, 67083107, 201249321]

約数ペア:

[(1, 201249321), (3, 67083107), (7, 28749903), (13, 15480717), (21, 9583301), (39, 5160239), (49, 4107129), (53, 3797157), (91, 2211531), (147, 1369043), (159, 1265719), (273, 737177), (371, 542451), (637, 315933), (689, 292089), (1113, 180817), (1911, 105311), (1987, 101283), (2067, 97363), (2597, 77493), (4823, 41727), (5961, 33761), (7791, 25831), (13909, 14469)]