30621521

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1061}}^1$

素因数の和:1125

約数の個数: 24

約数和(自身を含む): 38741760

約数和(自身を除く): 8120239

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 931, 1061, 1519, 4123, 7427, 20159, 28861, 32891, 51989, 141113, 230237, 624929, 987791, 1611659, 4374503, 30621521]

約数ペア:

[(1, 30621521), (7, 4374503), (19, 1611659), (31, 987791), (49, 624929), (133, 230237), (217, 141113), (589, 51989), (931, 32891), (1061, 28861), (1519, 20159), (4123, 7427)]