397374405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{21347}}^1$

素因数の和:21445

約数の個数: 32

約数和(自身を含む): 682452864

約数和(自身を除く): 285078459

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1095, 1241, 3723, 6205, 18615, 21347, 64041, 106735, 320205, 362899, 1088697, 1558331, 1814495, 4674993, 5443485, 7791655, 23374965, 26491627, 79474881, 132458135, 397374405]

約数ペア:

[(1, 397374405), (3, 132458135), (5, 79474881), (15, 26491627), (17, 23374965), (51, 7791655), (73, 5443485), (85, 4674993), (219, 1814495), (255, 1558331), (365, 1088697), (1095, 362899), (1241, 320205), (3723, 106735), (6205, 64041), (18615, 21347)]