27917721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6449}}^1$

素因数の和:6505

約数の個数: 24

約数和(自身を含む): 44608200

約数和(自身を除く): 16690479

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 6449, 19347, 58041, 83837, 238613, 251511, 715839, 754533, 2147517, 3101969, 9305907, 27917721]

約数ペア:

[(1, 27917721), (3, 9305907), (9, 3101969), (13, 2147517), (37, 754533), (39, 715839), (111, 251511), (117, 238613), (333, 83837), (481, 58041), (1443, 19347), (4329, 6449)]