239304387

素因数分解:

$3^1\times 7^2\times {\mathrm{571}}^1\times {\mathrm{2851}}^1$

素因数の和:3439

約数の個数: 24

約数和(自身を含む): 371946432

約数和(自身を除く): 132642045

約数列:

[1, 3, 7, 21, 49, 147, 571, 1713, 2851, 3997, 8553, 11991, 19957, 27979, 59871, 83937, 139699, 419097, 1627921, 4883763, 11395447, 34186341, 79768129, 239304387]

約数ペア:

[(1, 239304387), (3, 79768129), (7, 34186341), (21, 11395447), (49, 4883763), (147, 1627921), (571, 419097), (1713, 139699), (2851, 83937), (3997, 59871), (8553, 27979), (11991, 19957)]