27380795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 38102400

約数和(自身を除く): 10721605

約数列:

[1, 5, 13, 17, 65, 71, 85, 221, 349, 355, 923, 1105, 1207, 1745, 4537, 4615, 5933, 6035, 15691, 22685, 24779, 29665, 77129, 78455, 123895, 322127, 385645, 421243, 1610635, 2106215, 5476159, 27380795]

約数ペア:

[(1, 27380795), (5, 5476159), (13, 2106215), (17, 1610635), (65, 421243), (71, 385645), (85, 322127), (221, 123895), (349, 78455), (355, 77129), (923, 29665), (1105, 24779), (1207, 22685), (1745, 15691), (4537, 6035), (4615, 5933)]