77281771

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1459}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 95869440

約数和(自身を除く): 18587669

約数列:

[1, 7, 23, 47, 49, 161, 329, 1081, 1127, 1459, 2303, 7567, 10213, 33557, 52969, 68573, 71491, 234899, 480011, 1577179, 1644293, 3360077, 11040253, 77281771]

約数ペア:

[(1, 77281771), (7, 11040253), (23, 3360077), (47, 1644293), (49, 1577179), (161, 480011), (329, 234899), (1081, 71491), (1127, 68573), (1459, 52969), (2303, 33557), (7567, 10213)]