42478509

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{643}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 60850272

約数和(自身を除く): 18371763

約数列:

[1, 3, 19, 57, 61, 183, 361, 643, 1083, 1159, 1929, 3477, 12217, 22021, 36651, 39223, 66063, 117669, 232123, 696369, 745237, 2235711, 14159503, 42478509]

約数ペア:

[(1, 42478509), (3, 14159503), (19, 2235711), (57, 745237), (61, 696369), (183, 232123), (361, 117669), (643, 66063), (1083, 39223), (1159, 36651), (1929, 22021), (3477, 12217)]