39938703

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{503}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 64512000

約数和(自身を除く): 24573297

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 399, 503, 597, 1393, 1509, 3521, 3781, 4179, 9557, 10563, 11343, 26467, 28671, 66899, 79401, 100097, 200697, 300291, 700679, 1901843, 2102037, 5705529, 13312901, 39938703]

約数ペア:

[(1, 39938703), (3, 13312901), (7, 5705529), (19, 2102037), (21, 1901843), (57, 700679), (133, 300291), (199, 200697), (399, 100097), (503, 79401), (597, 66899), (1393, 28671), (1509, 26467), (3521, 11343), (3781, 10563), (4179, 9557)]