1279857555

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{1091}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 2248646400

約数和(自身を除く): 968788845

約数列:

[1, 3, 5, 9, 15, 45, 131, 199, 393, 597, 655, 995, 1091, 1179, 1791, 1965, 2985, 3273, 5455, 5895, 8955, 9819, 16365, 26069, 49095, 78207, 130345, 142921, 217109, 234621, 391035, 428763, 651327, 714605, 1085545, 1173105, 1286289, 1953981, 2143815, 3256635, 6431445, 9769905, 28441279, 85323837, 142206395, 255971511, 426619185, 1279857555]

約数ペア:

[(1, 1279857555), (3, 426619185), (5, 255971511), (9, 142206395), (15, 85323837), (45, 28441279), (131, 9769905), (199, 6431445), (393, 3256635), (597, 2143815), (655, 1953981), (995, 1286289), (1091, 1173105), (1179, 1085545), (1791, 714605), (1965, 651327), (2985, 428763), (3273, 391035), (5455, 234621), (5895, 217109), (8955, 142921), (9819, 130345), (16365, 78207), (26069, 49095)]