72609621

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{25997}}^1$

素因数の和:26033

約数の個数: 24

約数和(自身を含む): 118550880

約数和(自身を除く): 45941259

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 25997, 77991, 181979, 493943, 545937, 1273853, 1481829, 3457601, 3821559, 10372803, 24203207, 72609621]

約数ペア:

[(1, 72609621), (3, 24203207), (7, 10372803), (19, 3821559), (21, 3457601), (49, 1481829), (57, 1273853), (133, 545937), (147, 493943), (399, 181979), (931, 77991), (2793, 25997)]