78195621

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{27997}}^1$

素因数の和:28033

約数の個数: 24

約数和(自身を含む): 127670880

約数和(自身を除く): 49475259

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 27997, 83991, 195979, 531943, 587937, 1371853, 1595829, 3723601, 4115559, 11170803, 26065207, 78195621]

約数ペア:

[(1, 78195621), (3, 26065207), (7, 11170803), (19, 4115559), (21, 3723601), (49, 1595829), (57, 1371853), (133, 587937), (147, 531943), (399, 195979), (931, 83991), (2793, 27997)]