27399255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 47900160

約数和(自身を除く): 20500905

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 1979, 2769, 4615, 5937, 9895, 13845, 25727, 29685, 77181, 128635, 140509, 385905, 421527, 702545, 1826617, 2107635, 5479851, 9133085, 27399255]

約数ペア:

[(1, 27399255), (3, 9133085), (5, 5479851), (13, 2107635), (15, 1826617), (39, 702545), (65, 421527), (71, 385905), (195, 140509), (213, 128635), (355, 77181), (923, 29685), (1065, 25727), (1979, 13845), (2769, 9895), (4615, 5937)]