27438021

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{367}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 44884224

約数和(自身を除く): 17446203

約数列:

[1, 3, 9, 13, 27, 39, 71, 81, 117, 213, 351, 367, 639, 923, 1053, 1101, 1917, 2769, 3303, 4771, 5751, 8307, 9909, 14313, 24921, 26057, 29727, 42939, 74763, 78171, 128817, 234513, 338741, 386451, 703539, 1016223, 2110617, 3048669, 9146007, 27438021]

約数ペア:

[(1, 27438021), (3, 9146007), (9, 3048669), (13, 2110617), (27, 1016223), (39, 703539), (71, 386451), (81, 338741), (117, 234513), (213, 128817), (351, 78171), (367, 74763), (639, 42939), (923, 29727), (1053, 26057), (1101, 24921), (1917, 14313), (2769, 9909), (3303, 8307), (4771, 5751)]